Enable presubmit pylint in build/android.

build/android/pylib/perf/surface_stats_collector_unittest.py

 # Copyright 2013 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.
 
 """Unittests for SurfaceStatsCollector."""
 
 import unittest
 
-from surface_stats_collector import SurfaceStatsCollector
+from .surface_stats_collector import SurfaceStatsCollector
 
 class TestSurfaceStatsCollector(unittest.TestCase):
   @staticmethod
   def _CreateUniformTimestamps(base, num, delta):
     return [base + i * delta for i in range(1, num + 1)]
 
   @staticmethod
   def _CreateDictionaryFromResults(results):
     dictionary = {}
     for result in results:
@@ skipping 33 matching lines @@
 
     results = self._CreateDictionaryFromResults(
                   SurfaceStatsCollector._CalculateResults(
                       self.refresh_period, timestamps, ''))
 
     self.assertEquals(len(results['frame_lengths'].value), 9)
 
 
 if __name__ == '__main__':
   unittest.main()