chromium_tests: apply chromium.get_env() when running tests

scripts/slave/recipes/chromium.expected/amp_split_recipe_instrumentation_trigger_failure.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "chromium.fyi",
       "--builder",
       "Android Tests (amp instrumentation test split)",
@@ skipping 285 matching lines @@
     "name": "extract build"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::adb]/resources/list_devices.py",
       "['[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools/adb', 'devices']",
       "/path/to/tmp/json"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
+    },
     "name": "List adb devices",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@[@@@",
       "@@@STEP_LOG_LINE@json.output@  \"014E1F310401C009\"@@@",
       "@@@STEP_LOG_LINE@json.output@]@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport subprocess\nimport sys\nadb_path = sys.argv[1]\nfor device in sys.argv[2:]:\n  print 'Attempting to root device %s ...' % (device)\n  subprocess.check_call([adb_path, '-s', device, 'root'])\n  subprocess.check_call([adb_path, '-s', device, 'wait-for-device'])\n  print 'Finished rooting device %s' % (device)\n",
       "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools/adb",
       "014E1F310401C009"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
+    },
     "name": "Root devices",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
       "@@@STEP_LOG_LINE@python.inline@import sys@@@",
       "@@@STEP_LOG_LINE@python.inline@adb_path = sys.argv[1]@@@",
       "@@@STEP_LOG_LINE@python.inline@for device in sys.argv[2:]:@@@",
       "@@@STEP_LOG_LINE@python.inline@  print 'Attempting to root device %s ...' % (device)@@@",
       "@@@STEP_LOG_LINE@python.inline@  subprocess.check_call([adb_path, '-s', device, 'root'])@@@",
       "@@@STEP_LOG_LINE@python.inline@  subprocess.check_call([adb_path, '-s', device, 'wait-for-device'])@@@",
       "@@@STEP_LOG_LINE@python.inline@  print 'Finished rooting device %s' % (device)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "cp",
       "gs://chrome-amp-keys/main_pool/api_key",
       "[BUILD]/site_config/.amp_main_pool_key"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
+    },
     "name": "gsutil download amp api key"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "----",
       "cp",
       "gs://chrome-amp-keys/main_pool/api_secret",
       "[BUILD]/site_config/.amp_main_pool_secret"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
+    },
     "name": "gsutil download amp api secret"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/build/android/test_runner.py",
       "instrumentation",
       "--apk-under-test",
       "AndroidWebView",
@@ skipping 19 matching lines @@
       "--remote-device",
       "Nexus 5",
       "--remote-device-os",
       "4.4.2",
       "--trigger",
       "/path/to/tmp/json",
       "--verbose",
       "--release"
     ],
     "env": {
-      "CHROMIUM_OUTPUT_DIR": "[SLAVE_BUILD]/src/out/Release"
+      "CHROMIUM_OUTPUT_DIR": "[SLAVE_BUILD]/src/out/Release",
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },
     "name": "[trigger] AndroidWebViewTest",
     "~followup_annotations": [
       "step returned non-zero exit code: 1",
       "@@@STEP_LOG_LINE@json.output (invalid)@null@@@",
       "@@@STEP_LOG_END@json.output (invalid)@@@",
       "@@@STEP_FAILURE@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport glob, os, sys\nfor report in glob.glob(sys.argv[1]):\n  with open(report, 'r') as f:\n    for l in f.readlines():\n      print l\n  os.remove(report)\n",
       "[SLAVE_BUILD]/src/out/Release/test_logs/*.log"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
+    },
     "name": "test_report",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import glob, os, sys@@@",
       "@@@STEP_LOG_LINE@python.inline@for report in glob.glob(sys.argv[1]):@@@",
       "@@@STEP_LOG_LINE@python.inline@  with open(report, 'r') as f:@@@",
       "@@@STEP_LOG_LINE@python.inline@    for l in f.readlines():@@@",
       "@@@STEP_LOG_LINE@python.inline@      print l@@@",
       "@@@STEP_LOG_LINE@python.inline@  os.remove(report)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]