Run telemetry_perf_unittests via isolate on "Mac tests", "Linux tests" and trybot with swarming

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 7bb80b69ac8ec5a2dd0fb26de87e340cf36e29d6..7ff1fe3c951929342da839d655da2efd7acd5b0b 100644
--- a/testing/buildbot/chromium.win.json
+++ b/testing/buildbot/chromium.win.json
@@ -687,6 +687,13 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -695,10 +702,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }
@@ -1125,6 +1128,13 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -1133,10 +1143,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }
@@ -1468,16 +1474,19 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
-      },
-      {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
       }
     ]
   },
@@ -1999,6 +2008,13 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
+      },
+      {
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
       }
     ],
     "scripts": [
@@ -2007,10 +2023,6 @@
         "script": "telemetry_unittests.py"
       },
       {
-        "name": "telemetry_perf_unittests",
-        "script": "telemetry_perf_unittests.py"
-      },
-      {
         "name": "nacl_integration",
         "script": "nacl_integration.py"
       }