Added test that SurfaceFlinger metrics are calculated on android

tools/telemetry/telemetry/timeline/surface_flinger_timeline_data.py

Index: tools/telemetry/telemetry/timeline/surface_flinger_timeline_data.py
diff --git a/tools/telemetry/telemetry/timeline/surface_flinger_timeline_data.py b/tools/telemetry/telemetry/timeline/surface_flinger_timeline_data.py
deleted file mode 100644
index 5461db5bda18792fae1737a4c719f522e4fb8ea6..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/timeline/surface_flinger_timeline_data.py
+++ /dev/null
@@ -1,29 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import json
-
-from telemetry.timeline.timeline_data import TimelineData
-
-
-class SurfaceFlingerTimelineData(TimelineData):
-  def __init__(self, pid, refresh_period, timestamps):
-    super(SurfaceFlingerTimelineData, self).__init__()
-    self._events = []
-    for ts in timestamps:
-      self._events.append(
-        {'cat': 'SurfaceFlinger',
-         'name': 'vsync_before',
-         'ts': ts,
-         'pid': pid,
-         'tid': pid,
-         'args': {'data': {'frame_count': 1,
-                           'refresh_period': refresh_period}}})
-
-  def Serialize(self, f):
-    """Serializes the surface flinger data to a file-like object"""
-    json.dump(self._events, f, indent=4)
-
-  def EventData(self):
-    return self._events