chromium_tests: apply chromium.get_env() when running tests

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

Index: scripts/slave/recipes/chromium.expected/dynamic_instrumentation_cloud_test.json
diff --git a/scripts/slave/recipes/chromium.expected/dynamic_instrumentation_cloud_test.json b/scripts/slave/recipes/chromium.expected/dynamic_instrumentation_cloud_test.json
index 971d9d745c3d9fd550c75a3d844778269b818353..a671145381e48bdbe9ccbf370fe5bccf6399c91b 100644
--- a/scripts/slave/recipes/chromium.expected/dynamic_instrumentation_cloud_test.json
+++ b/scripts/slave/recipes/chromium.expected/dynamic_instrumentation_cloud_test.json
@@ -343,6 +343,10 @@
       "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools/adb",
       "~/adb"
     ],
+    "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": "create adb symlink"
   },
   {
@@ -358,6 +362,10 @@
       "--snapshot",
       "clean-22-l-phone-snapshot"
     ],
+    "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": "launch_instances"
   },
   {
@@ -403,6 +411,10 @@
       "--json-results-file",
       "/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": "Instrumentation test ChromePublicTest",
     "~followup_annotations": [
       "step returned non-zero exit code: 1",
@@ -430,6 +442,10 @@
       "--chrome-revision",
       "refs/heads/master@{#170242}"
     ],
+    "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": "Upload to test-results [ChromePublicTest]"
   },
   {
@@ -441,6 +457,10 @@
       "[SLAVE_BUILD]/src/out/Release/full_log",
       "[SLAVE_BUILD]/src/out/logcat"
     ],
+    "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": "logcat_dump"
   },
   {
@@ -459,6 +479,10 @@
       "[SLAVE_BUILD]/src/out/Release/full_log",
       "gs://chromium-android/logcat_dumps/Android Cloud Tests/571"
     ],
+    "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 upload",
     "~followup_annotations": [
       "@@@STEP_LINK@logcat dump@https://storage.cloud.google.com/chromium-android/logcat_dumps/Android Cloud Tests/571@@@"
@@ -504,6 +528,10 @@
       "6",
       "shutdown"
     ],
+    "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": "shutdown_instances"
   },
   {
@@ -513,6 +541,10 @@
       "\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@@@@",