Roll recipe dependencies (nontrivial).

scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json

Index: scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json b/scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json
index 4f8b9f01ed7310882a3e1a63a448330816a803d7..ecf04d9cb3c9f78dbc7783b010a55b038e3c8d42 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/swarming_basic_cq.json
@@ -30,7 +30,6 @@
       "src@HEAD",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -104,7 +103,6 @@
   },
   {
     "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma"
   },
   {
@@ -119,7 +117,6 @@
       "--json-output",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.install cipd",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -144,7 +141,6 @@
       "--service-account-json",
       "/creds/service_accounts/service-account-goma-client.json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.ensure_installed",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -166,7 +162,6 @@
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "--version"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
@@ -180,7 +175,6 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "GYP_CHROMIUM_NO_ACTION": "1",
@@ -205,7 +199,6 @@
       "--properties",
       "{\"buildername\": \"linux_chromium_rel_ng\", \"buildnumber\": 571, \"mastername\": \"tryserver.chromium.linux\", \"slavename\": \"TestSlavename\", \"target_platform\": \"linux\"}"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -220,7 +213,6 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.gpu.json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.gpu.json@@@",
@@ -236,7 +228,6 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.linux.json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec (2)",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.linux.json@@@",
@@ -268,7 +259,6 @@
       "[SLAVE_BUILD]/src/testing/buildbot/trybot_analyze_config.json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read filter exclusion spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: 'testing/buildbot/trybot_analyze_config.json'@@@",
@@ -291,7 +281,6 @@
       "-u",
       "import sys; sys.exit(0)"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "analyze",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@excluded_files@foo.cc (regex = 'f.*')@@@",
@@ -321,7 +310,6 @@
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/cleanup_temp.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -340,7 +328,6 @@
       "[CACHE]/cipd/goma",
       "//out/Release"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -380,7 +367,6 @@
       "--",
       "chromium_swarm_tests"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -396,7 +382,6 @@
       "-u",
       "import sys; sys.exit(0)"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "mark: before_tests"
   },
   {