Swarm telemetry_gpu_unittests on "Windows Tests", "Mac tests", "Linux tests" and FYI bot

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 93ae878beb4482919d0ce6dcb235660950dd1075..cff0500049200a55be477806ad628915402743b8 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -310,7 +310,10 @@
     "isolated_scripts": [
       {
         "isolate_name": "telemetry_gpu_unittests",
-        "name": "telemetry_gpu_unittests"
+        "name": "telemetry_gpu_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -593,7 +596,10 @@
     "isolated_scripts": [
       {
         "isolate_name": "telemetry_gpu_unittests",
-        "name": "telemetry_gpu_unittests"
+        "name": "telemetry_gpu_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -876,7 +882,10 @@
     "isolated_scripts": [
       {
         "isolate_name": "telemetry_gpu_unittests",
-        "name": "telemetry_gpu_unittests"
+        "name": "telemetry_gpu_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -1159,7 +1168,10 @@
     "isolated_scripts": [
       {
         "isolate_name": "telemetry_gpu_unittests",
-        "name": "telemetry_gpu_unittests"
+        "name": "telemetry_gpu_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -1443,7 +1455,10 @@
     "isolated_scripts": [
       {
         "isolate_name": "telemetry_gpu_unittests",
-        "name": "telemetry_gpu_unittests"
+        "name": "telemetry_gpu_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [