Avoid nesting steps called under waiting for x:

scripts/slave/recipes/bisect.expected/broken_good_revision_test.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "tryserver.chromium.perf",
       "--builder",
       "linux_perf_bisect",
@@ skipping 449 matching lines @@
       "/dev/null"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "Gathering reference values.Requesting build for a6298e4afedbf2cd461755ea6f45b0ad64222222 via git try.",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "git",
-      "footers",
-      "--position",
-      "e28dc0d49c331def2a3bbf3ddd0096eb51551155"
-    ],
-    "cwd": "[SLAVE_BUILD]/src",
-    "name": "Gathering reference values.resolving hash e28dc0d49c331def2a3bbf3ddd0096eb51551155",
-    "stdout": "/path/to/tmp/",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "ls",
       "gs://chrome-perf/Linux Builder/full-build-linux_e28dc0d49c331def2a3bbf3ddd0096eb51551155.zip"
     ],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c.gsutil ls",
+    "name": "Gathering reference values.gsutil ls (3)",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c.Triggering test job for e28dc0d49c331def2a3bbf3ddd0096eb51551155",
+    "name": "Gathering reference values.Triggering test job for e28dc0d49c331def2a3bbf3ddd0096eb51551155",
     "trigger_specs": [
       {
         "builder_name": "linux_perf_tester",
         "properties": {
           "bisect_config": {
             "command": "tools/perf/run_benchmark -v --browser=release page_cycler.intl_ar_fa_he",
             "metric": "warm_times/page_load_time",
             "repeat_count": 5,
             "test_type": "perf"
           },
           "job_name": "e28dc0d49c331def2a3bbf3ddd0096eb51551155-test",
           "parent_build_archive_url": "gs://chrome-perf/Linux Builder/full-build-linux_e28dc0d49c331def2a3bbf3ddd0096eb51551155.zip",
           "parent_got_revision": "e28dc0d49c331def2a3bbf3ddd0096eb51551155",
           "revision": "e28dc0d49c331def2a3bbf3ddd0096eb51551155",
           "revision_ladder": {
             "chromium": "e28dc0d49c331def2a3bbf3ddd0096eb51551155"
           }
         }
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys\nimport time\ntime.sleep(20*60)\nsys.exit(0)\n"
     ],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c.sleeping",
+    "name": "Gathering reference values.sleeping",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@",
+      "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys@@@",
       "@@@STEP_LOG_LINE@python.inline@import time@@@",
       "@@@STEP_LOG_LINE@python.inline@time.sleep(20*60)@@@",
       "@@@STEP_LOG_LINE@python.inline@sys.exit(0)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "ls",
       "gs://chrome-perf/bisect-results/e28dc0d49c331def2a3bbf3ddd0096eb51551155-test.results"
     ],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c.gsutil ls (2)",
+    "name": "Gathering reference values.gsutil ls (4)",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "cat",
       "gs://chrome-perf/bisect-results/e28dc0d49c331def2a3bbf3ddd0096eb51551155-test.results"
     ],
-    "name": "Gathering reference values.Waiting for chromium@e28dc0d49c.gsutil Get test results for build e28dc0d49c331def2a3bbf3ddd0096eb51551155",
+    "name": "Gathering reference values.gsutil Get test results for build e28dc0d49c331def2a3bbf3ddd0096eb51551155",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "git",
-      "footers",
-      "--position",
-      "a6298e4afedbf2cd461755ea6f45b0ad64222222"
-    ],
-    "cwd": "[SLAVE_BUILD]/src",
-    "name": "Gathering reference values.resolving hash a6298e4afedbf2cd461755ea6f45b0ad64222222",
-    "stdout": "/path/to/tmp/",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe",
-    "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "ls",
       "gs://chrome-perf/Linux Builder/full-build-linux_a6298e4afedbf2cd461755ea6f45b0ad64222222.zip"
     ],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe.gsutil ls",
+    "name": "Gathering reference values.gsutil ls (5)",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe.Triggering test job for a6298e4afedbf2cd461755ea6f45b0ad64222222",
+    "name": "Gathering reference values.Triggering test job for a6298e4afedbf2cd461755ea6f45b0ad64222222",
     "trigger_specs": [
       {
         "builder_name": "linux_perf_tester",
         "properties": {
           "bisect_config": {
             "command": "tools/perf/run_benchmark -v --browser=release page_cycler.intl_ar_fa_he",
             "metric": "warm_times/page_load_time",
             "repeat_count": 5,
             "test_type": "perf"
           },
           "job_name": "a6298e4afedbf2cd461755ea6f45b0ad64222222-test",
           "parent_build_archive_url": "gs://chrome-perf/Linux Builder/full-build-linux_a6298e4afedbf2cd461755ea6f45b0ad64222222.zip",
           "parent_got_revision": "a6298e4afedbf2cd461755ea6f45b0ad64222222",
           "revision": "a6298e4afedbf2cd461755ea6f45b0ad64222222",
           "revision_ladder": {
             "chromium": "a6298e4afedbf2cd461755ea6f45b0ad64222222"
           }
         }
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys\nimport time\ntime.sleep(20*60)\nsys.exit(0)\n"
     ],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe.sleeping",
+    "name": "Gathering reference values.sleeping (2)",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@",
+      "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys@@@",
       "@@@STEP_LOG_LINE@python.inline@import time@@@",
       "@@@STEP_LOG_LINE@python.inline@time.sleep(20*60)@@@",
       "@@@STEP_LOG_LINE@python.inline@sys.exit(0)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "ls",
       "gs://chrome-perf/bisect-results/a6298e4afedbf2cd461755ea6f45b0ad64222222-test.results"
     ],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe.gsutil ls (2)",
+    "name": "Gathering reference values.gsutil ls (6)",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "cat",
       "gs://chrome-perf/bisect-results/a6298e4afedbf2cd461755ea6f45b0ad64222222-test.results"
     ],
-    "name": "Gathering reference values.Waiting for chromium@a6298e4afe.gsutil Get test results for build a6298e4afedbf2cd461755ea6f45b0ad64222222",
+    "name": "Gathering reference values.gsutil Get test results for build a6298e4afedbf2cd461755ea6f45b0ad64222222",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@2@@@",
+      "@@@STEP_NEST_LEVEL@1@@@",
       "@@@SET_BUILD_PROPERTY@extra_result_code@[\"B4T_REF_RANGE_FAIL\"]@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "import sys; sys.exit(1)"
     ],
     "name": "Gathering reference values.Recipe failed. Reason: Testing the \"good\" revision failed",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys; sys.exit(1)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "git",
       "footers",
       "--position",
+      "e28dc0d49c331def2a3bbf3ddd0096eb51551155"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "name": "resolving hash e28dc0d49c331def2a3bbf3ddd0096eb51551155",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "git",
+      "footers",
+      "--position",
+      "a6298e4afedbf2cd461755ea6f45b0ad64222222"
+    ],
+    "cwd": "[SLAVE_BUILD]/src",
+    "name": "resolving hash a6298e4afedbf2cd461755ea6f45b0ad64222222",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "git",
+      "footers",
+      "--position",
       "fc6dfc7ff5b1073408499478969261b826441144"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "resolving hash fc6dfc7ff5b1073408499478969261b826441144",
     "stdout": "/path/to/tmp/"
   },
   {
     "cmd": [
       "git",
       "footers",
@@ skipping 34 matching lines @@
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]