Update from chromium https://crrev.com/302282

testing/scripts/telemetry_perf_unittests.py

Index: testing/scripts/telemetry_perf_unittests.py
diff --git a/testing/scripts/telemetry_unittests.py b/testing/scripts/telemetry_perf_unittests.py
similarity index 66%
copy from testing/scripts/telemetry_unittests.py
copy to testing/scripts/telemetry_perf_unittests.py
index 2c680633051f922bf65ea9b247db82d243031b8a..42eb656e164acdcb66d9b6a34fa2272c31bd5079 100755
--- a/testing/scripts/telemetry_unittests.py
+++ b/testing/scripts/telemetry_perf_unittests.py
@@ -17,21 +17,11 @@ def main_run(args):
     filter_tests = json.load(args.filter_file)
 
   with common.temporary_file() as tempfile_path:
-    rc = common.run_command([
-        sys.executable,
-        os.path.join(args.paths['build'], 'scripts', 'tools', 'runit.py'),
-        '--show-path',
-        sys.executable,
-        os.path.join(args.paths['build'], 'scripts', 'slave', 'runtest.py'),
-        '--target', args.build_config_fs,
-        '--xvfb',
+    rc = common.run_runtest(args, [
         '--annotate', 'gtest',
-        '--test-type', 'telemetry_unittests',
-        '--builder-name', args.properties['buildername'],
-        '--slave-name', args.properties['slavename'],
-        '--build-number', str(args.properties['buildnumber']),
+        '--test-type', 'telemetry_perf_unittests',
         '--run-python-script',
-        os.path.join(common.SRC_DIR, 'tools', 'telemetry', 'run_tests'),
+        os.path.join(common.SRC_DIR, 'tools', 'perf', 'run_tests'),
         '--browser', args.build_config_fs.lower(),
         '--retry-limit', '3',
         '--write-full-results-to', tempfile_path,