[Android] Fix new pylint errors in build/android/.

build/android/pylib/device/decorators_test.py

 # 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.
 
 """
 Unit tests for decorators.py.
 """
 
 # pylint: disable=W0613
 
@@ skipping 262 matching lines @@
       self.function_call_counters['alwaysTimesOut'] += 1
       time.sleep(100)
       self._test_case.assertFalse(True, msg='Failed to time out?')
 
     @decorators.WithTimeoutAndRetriesFromInstance(
         'default_timeout', 'default_retries')
     def alwaysRaisesCommandFailedError(self, timeout=None, retries=None):
       self.function_call_counters['alwaysRaisesCommandFailedError'] += 1
       raise device_errors.CommandFailedError('testCommand failed')
 
-    # pylint: disable=R0201
+    # pylint: disable=no-self-use
 
     @decorators.WithTimeoutAndRetriesFromInstance(
         'default_timeout', 'default_retries')
     def alwaysReturnsTimeout(self, timeout=None, retries=None):
       return timeout
 
     @decorators.WithTimeoutAndRetriesFromInstance(
         'default_timeout', 'default_retries')
     def alwaysReturnsRetries(self, timeout=None, retries=None):
       return retries
 
     @decorators.WithTimeoutAndRetriesFromInstance(
         'default_timeout', 'default_retries')
     def alwaysRaisesProvidedException(self, exception, timeout=None,
                                       retries=None):
       raise exception
 
-    # pylint: enable=R0201
+    # pylint: enable=no-self-use
 
 
   def testMethodDecoratorDoesTimeout(self):
     """Tests that the method decorator handles timeout logic."""
     test_obj = self._MethodDecoratorTestObject(self)
     start_time = time.time()
     with self.assertRaises(device_errors.CommandTimeoutError):
       try:
         test_obj.alwaysTimesOut(timeout=1, retries=0)
       except:
@@ skipping 44 matching lines @@
 
     exception_desc = 'Reraiser thread timeout error'
     with self.assertRaises(device_errors.CommandTimeoutError) as e:
       test_obj.alwaysRaisesProvidedException(
           reraiser_thread.TimeoutError(exception_desc))
     self.assertEquals(exception_desc, str(e.exception))
 
 if __name__ == '__main__':
   unittest.main(verbosity=2)