Enable presubmit pylint in build/android.

build/android/gyp/util/md5_check_test.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.
 
 import tempfile
 import unittest
 
 import md5_check
 
 
 class TestMd5Check(unittest.TestCase):
+  def __init__(self):
+    super(TestMd5Check, self).__init__()
+    self.called = False
+
   def testCallAndRecordIfStale(self):
     input_strings = ['string1', 'string2']
     input_file1 = tempfile.NamedTemporaryFile()
     input_file2 = tempfile.NamedTemporaryFile()
     file1_contents = 'input file 1'
     file2_contents = 'input file 2'
     input_file1.write(file1_contents)
     input_file1.flush()
     input_file2.write(file2_contents)
     input_file2.flush()
@@ skipping 38 matching lines @@
 
     input_strings = input_strings[:1]
     CheckCallAndRecord(True, 'removing a string should trigger call')
 
     input_strings.append('a brand new string')
     CheckCallAndRecord(True, 'added input string should trigger call')
 
 
 if __name__ == '__main__':
   unittest.main()