Run telemetry_perf_unittests via isolate on "Windows Tests" & "Mac tests" and trybot.

testing/buildbot/chromium.win.json

Index: testing/buildbot/chromium.win.json
diff --git a/testing/buildbot/chromium.win.json b/testing/buildbot/chromium.win.json
index 8fc211f3630bb218160dc43a7cbc1da597601c33..95e746377404e1f89e5317e4ba1dc4b2d9a3fe43 100644
--- a/testing/buildbot/chromium.win.json
+++ b/testing/buildbot/chromium.win.json
@@ -684,6 +684,10 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests"
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests"
       }
     ],
     "scripts": [
@@ -692,10 +696,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }
@@ -1119,6 +1119,10 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests"
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests"
       }
     ],
     "scripts": [
@@ -1127,10 +1131,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }
@@ -1459,16 +1459,16 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests"
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests"
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
-      },
-      {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
       }
     ]
   },
@@ -1987,6 +1987,10 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests"
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests"
       }
     ],
     "scripts": [
@@ -1995,10 +1999,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }