Enable presubmit pylint in build/android.

build/android/pylib/device/adb_wrapper_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.
 
 """Tests for the AdbWrapper class."""
 
 import os
-import socket
 import tempfile
 import time
 import unittest
 
-import adb_wrapper
+from pylib.device import adb_wrapper
 
 
 class TestAdbWrapper(unittest.TestCase):
 
   def setUp(self):
     devices = adb_wrapper.AdbWrapper.GetDevices()
     assert devices, 'A device must be attached'
     self._adb = devices[0]
     self._adb.WaitForDevice()
 
-  def _MakeTempFile(self, contents):
+  @staticmethod
+  def _MakeTempFile(contents):
     """Make a temporary file with the given contents.
     
     Args:
       contents: string to write to the temporary file.
 
     Returns:
       The absolute path to the file.
     """
     fi, path = tempfile.mkstemp()
     with os.fdopen(fi, 'wb') as f:
-      f.write('foo')
+      f.write(contents)
     return path
 
   def testShell(self):
     output = self._adb.Shell('echo test', expect_rc=0)
     self.assertEqual(output.strip(), 'test')
     output = self._adb.Shell('echo test')
     self.assertEqual(output.strip(), 'test')
     self.assertRaises(adb_wrapper.CommandFailedError, self._adb.Shell,
         'echo test', expect_rc=1)
 
@@ skipping 35 matching lines @@
       try:
         self._adb.Shell('start')
         break
       except adb_wrapper.CommandFailedError:
         time.sleep(1)
     self._adb.Remount()
 
 
 if __name__ == '__main__':
   unittest.main()