cros: Run telemetry tests on mojo-cros fyi bot.

testing/buildbot/chromium.fyi.json

 {
   "Android Asan Builder Tests (dbg)": {
     "gtest_tests": [
       {
         "args": [
           "--tool=asan"
         ],
         "swarming": {
           "can_use_on_swarming_builders": false
         },
@@ skipping 11678 matching lines @@
         "args": [
           "--override-use-software-gl-for-tests",
           "--test-launcher-filter-file=../../testing/buildbot/filters/mojo.fyi.mus.browser_tests.filter"
         ],
         "hard_timeout": 60,
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "mus_browser_tests"
       }
+    ],
+    "isolated_scripts": [
+      {
+        "args": [
+          "--browser=exact",
+          "--browser-executable=./test_chrome",
+          "--xvfb"
+        ],
+        "isolate_name": "telemetry_perf_unittests",
+        "name": "telemetry_perf_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "hard_timeout": 960,
+          "shards": 12
+        }
+      },
+      {
+        "args": [
+          "--browser=exact",
+          "--browser-executable=./test_chrome",
+          "--jobs=1"
+        ],
+        "isolate_name": "telemetry_unittests",
+        "name": "telemetry_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 4
+        }
+      }
     ]
   },
   "Mojo Linux": {
     "gtest_tests": [
       {
         "args": [
           "--enable-network-service",
           "--test-launcher-filter-file=../../testing/buildbot/filters/mojo.fyi.network_content_browsertests.filter"
         ],
         "name": "network_service_content_browsertests",
@@ skipping 1410 matching lines @@
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": false
         },
         "test": "views_unittests"
       }
     ]
   }
 }