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

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index e8d493e24384f487d7a70f99e41a53d0e07aa304..4993f5c748c41ba24ad9ffd9f547237d26a885a5 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -11696,6 +11696,35 @@
         },
         "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": {