Run telemetry_gpu_unittests via isolate on "Window Tests" & "Mac tests" and trybot.

testing/buildbot/chromium.mac.json

Index: testing/buildbot/chromium.mac.json
diff --git a/testing/buildbot/chromium.mac.json b/testing/buildbot/chromium.mac.json
index fdb5174ea9e7701744d329aa5dfb99d98968b4d4..93ae878beb4482919d0ce6dcb235660950dd1075 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -307,16 +307,18 @@
         "test": "url_unittests"
       }
     ],
+    "isolated_scripts": [
+      {
+        "isolate_name": "telemetry_gpu_unittests",
+        "name": "telemetry_gpu_unittests"
+      }
+    ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_gpu_unittests",
-        "script": "telemetry_gpu_unittests.py"
-      },
-      {
         "name": "telemetry_perf_unittests",
         "script": "telemetry_perf_unittests.py"
       },
@@ -588,16 +590,18 @@
         "test": "url_unittests"
       }
     ],
+    "isolated_scripts": [
+      {
+        "isolate_name": "telemetry_gpu_unittests",
+        "name": "telemetry_gpu_unittests"
+      }
+    ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_gpu_unittests",
-        "script": "telemetry_gpu_unittests.py"
-      },
-      {
         "name": "telemetry_perf_unittests",
         "script": "telemetry_perf_unittests.py"
       },
@@ -869,16 +873,18 @@
         "test": "url_unittests"
       }
     ],
+    "isolated_scripts": [
+      {
+        "isolate_name": "telemetry_gpu_unittests",
+        "name": "telemetry_gpu_unittests"
+      }
+    ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_gpu_unittests",
-        "script": "telemetry_gpu_unittests.py"
-      },
-      {
         "name": "telemetry_perf_unittests",
         "script": "telemetry_perf_unittests.py"
       },
@@ -1150,16 +1156,18 @@
         "test": "url_unittests"
       }
     ],
+    "isolated_scripts": [
+      {
+        "isolate_name": "telemetry_gpu_unittests",
+        "name": "telemetry_gpu_unittests"
+      }
+    ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_gpu_unittests",
-        "script": "telemetry_gpu_unittests.py"
-      },
-      {
         "name": "telemetry_perf_unittests",
         "script": "telemetry_perf_unittests.py"
       },
@@ -1432,16 +1440,18 @@
         "test": "url_unittests"
       }
     ],
+    "isolated_scripts": [
+      {
+        "isolate_name": "telemetry_gpu_unittests",
+        "name": "telemetry_gpu_unittests"
+      }
+    ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_gpu_unittests",
-        "script": "telemetry_gpu_unittests.py"
-      },
-      {
         "name": "telemetry_perf_unittests",
         "script": "telemetry_perf_unittests.py"
       },