Stop to use contextmanager for goma.build_with_goma

scripts/slave/recipes/swarming/deterministic_build.expected/full_chromium_swarm_Windows_deterministic.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\tools\\runit.py",
       "--show-path",
       "python",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\cleanup_temp.py"
     ],
@@ skipping 223 matching lines @@
       "[CACHE]\\cipd\\goma",
       "//out/Release"
     ],
     "cwd": "[SLAVE_BUILD]\\src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "generate_build_files"
   },
   {
-    "cmd": [
-      "python",
-      "-u",
-      "\nimport multiprocessing\nimport sys\n\njob_limit = 200\nif sys.platform.startswith('linux'):\n  # Use 80 for linux not to load goma backend.\n  job_limit = 80\n\ntry:\n  jobs = min(job_limit, multiprocessing.cpu_count() * 10)\nexcept NotImplementedError:\n  jobs = 50\n\nprint jobs\n"
-    ],
-    "name": "calculate the number of recommended jobs",
-    "stdout": "/path/to/tmp/",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@import multiprocessing@@@",
-      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@job_limit = 200@@@",
-      "@@@STEP_LOG_LINE@python.inline@if sys.platform.startswith('linux'):@@@",
-      "@@@STEP_LOG_LINE@python.inline@  # Use 80 for linux not to load goma backend.@@@",
-      "@@@STEP_LOG_LINE@python.inline@  job_limit = 80@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@try:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  jobs = min(job_limit, multiprocessing.cpu_count() * 10)@@@",
-      "@@@STEP_LOG_LINE@python.inline@except NotImplementedError:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  jobs = 50@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@print jobs@@@",
-      "@@@STEP_LOG_END@python.inline@@@"
-    ]
-  },
-  {
     "cmd": [],
     "name": "preprocess_for_goma"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[CACHE]\\cipd\\goma\\goma_ctl.py",
       "restart"
     ],
@@ skipping 22 matching lines @@
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "preprocess_for_goma.start cloudtail",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "\nimport multiprocessing\nimport sys\n\njob_limit = 200\nif sys.platform.startswith('linux'):\n  # Use 80 for linux not to load goma backend.\n  job_limit = 80\n\ntry:\n  jobs = min(job_limit, multiprocessing.cpu_count() * 10)\nexcept NotImplementedError:\n  jobs = 50\n\nprint jobs\n"
+    ],
+    "name": "calculate the number of recommended jobs",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import multiprocessing@@@",
+      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@job_limit = 200@@@",
+      "@@@STEP_LOG_LINE@python.inline@if sys.platform.startswith('linux'):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  # Use 80 for linux not to load goma backend.@@@",
+      "@@@STEP_LOG_LINE@python.inline@  job_limit = 80@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@try:@@@",
+      "@@@STEP_LOG_LINE@python.inline@  jobs = min(job_limit, multiprocessing.cpu_count() * 10)@@@",
+      "@@@STEP_LOG_LINE@python.inline@except NotImplementedError:@@@",
+      "@@@STEP_LOG_LINE@python.inline@  jobs = 50@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@print jobs@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
       "RECIPE_PACKAGE_REPO[depot_tools]\\ninja.exe",
       "-w",
       "dupbuild=err",
       "-C",
       "[SLAVE_BUILD]\\src\\out\\Release",
+      "all",
       "-j",
-      "50",
-      "all"
+      "50"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "First build"
   },
   {
     "cmd": [],
     "name": "postprocess_for_goma"
   },
@@ skipping 49 matching lines @@
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\upload_goma_logs.py",
       "--upload-compiler-proxy-info",
       "--json-status",
       "[CACHE]\\cipd\\goma\\jsonstatus",
       "--ninja-log-outdir",
       "[SLAVE_BUILD]\\src\\out\\Release",
       "--ninja-log-compiler",
       "goma",
       "--ninja-log-command",
-      "['RECIPE_PACKAGE_REPO[depot_tools]\\\\ninja.exe', '-w', 'dupbuild=err', '-C', '[SLAVE_BUILD]\\\\src\\\\out\\\\Release', '-j', 50, 'all']",
+      "['RECIPE_PACKAGE_REPO[depot_tools]\\\\ninja.exe', '-w', 'dupbuild=err', '-C', '[SLAVE_BUILD]\\\\src\\\\out\\\\Release', 'all', '-j', 50]",
       "--ninja-log-exit-status",
       "0",
       "--buildbot-buildername",
       "Windows deterministic",
       "--buildbot-mastername",
       "chromium.swarm",
       "--buildbot-slavename",
       "TestSlavename"
     ],
     "env": {
@@ skipping 184 matching lines @@
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "RECIPE_PACKAGE_REPO[depot_tools]\\ninja.exe",
       "-w",
       "dupbuild=err",
       "-C",
       "[SLAVE_BUILD]\\src\\out\\Release",
+      "all",
       "-j",
-      "50",
-      "all"
+      "50"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json"
     },
     "name": "Second build"
   },
   {
     "cmd": [],
     "name": "postprocess_for_goma (2)"
   },
@@ skipping 49 matching lines @@
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\upload_goma_logs.py",
       "--upload-compiler-proxy-info",
       "--json-status",
       "[CACHE]\\cipd\\goma\\jsonstatus",
       "--ninja-log-outdir",
       "[SLAVE_BUILD]\\src\\out\\Release",
       "--ninja-log-compiler",
       "goma",
       "--ninja-log-command",
-      "['RECIPE_PACKAGE_REPO[depot_tools]\\\\ninja.exe', '-w', 'dupbuild=err', '-C', '[SLAVE_BUILD]\\\\src\\\\out\\\\Release', '-j', 50, 'all']",
+      "['RECIPE_PACKAGE_REPO[depot_tools]\\\\ninja.exe', '-w', 'dupbuild=err', '-C', '[SLAVE_BUILD]\\\\src\\\\out\\\\Release', 'all', '-j', 50]",
       "--ninja-log-exit-status",
       "0",
       "--buildbot-buildername",
       "Windows deterministic",
       "--buildbot-mastername",
       "chromium.swarm",
       "--buildbot-slavename",
       "TestSlavename"
     ],
     "env": {
@@ skipping 97 matching lines @@
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "compare_build_artifacts"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]