Revert of Enable presubmit pylint in build/android.

build/android/pylib/utils/timeout_retry_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 timeout_and_retry.py."""
 
 import unittest
 
-from pylib.utils import reraiser_thread
-from pylib.utils import timeout_retry
+import reraiser_thread
+import timeout_retry
 
 
 class TestException(Exception):
   pass
 
 
-def _NeverEnding(tries):
+def _NeverEnding(tries=[0]):
   tries[0] += 1
   while True:
     pass
 
 
 def _CountTries(tries):
   tries[0] += 1
   raise TestException
 
 
@@ skipping 15 matching lines @@
     self.assertRaises(TestException,
         timeout_retry.Run, lambda: _CountTries(tries), 30, 3)
     self.assertEqual(tries[0], 4)
 
   def testReturnValue(self):
     self.assertTrue(timeout_retry.Run(lambda: True, 30, 3))
 
 
 if __name__ == '__main__':
   unittest.main()