Enable presubmit pylint in build/android.

build/android/pylib/linker/setup.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.
 
 """Setup for linker tests."""
 
 import os
 import sys
-import types
-
-import test_case
-import test_runner
 
 from pylib import constants
+from pylib.linker import test_case
+from pylib.linker import test_runner
 
 sys.path.insert(0,
                 os.path.join(constants.DIR_SOURCE_ROOT, 'build', 'util', 'lib',
                              'common'))
-import unittest_util
+import unittest_util # pylint: disable=F0401
 
-def Setup(options, devices):
+def Setup(options, _devices):
   """Creates a list of test cases and a runner factory.
 
   Returns:
     A tuple of (TestRunnerFactory, tests).
   """
   test_cases = [
       test_case.LinkerLibraryAddressTest,
       test_case.LinkerSharedRelroTest,
       test_case.LinkerRandomizationTest ]
 
   low_memory_modes = [False, True]
   all_tests = [t(is_low_memory=m) for t in test_cases for m in low_memory_modes]
 
   if options.test_filter:
     all_test_names = [ test.qualified_name for test in all_tests ]
     filtered_test_names = unittest_util.FilterTestNames(all_test_names,
                                                         options.test_filter)
     all_tests = [t for t in all_tests \
                  if t.qualified_name in filtered_test_names]
 
-  def TestRunnerFactory(device, shard_index):
+  def TestRunnerFactory(device, _shard_index):
     return test_runner.LinkerTestRunner(
         device, options.tool, options.push_deps,
         options.cleanup_test_files)
 
   return (TestRunnerFactory, all_tests)