Revert of [Android] Add a configurable environment for devil/. (RELAND 2)

build/android/devil/android/logcat_monitor_test.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 # pylint: disable=protected-access
 
 import itertools
+import os
 import sys
 import unittest
 
-from devil import devil_env
 from devil.android import logcat_monitor
 from devil.android.sdk import adb_wrapper
+from pylib import constants
 
-sys.path.append(devil_env.config.LocalPath('pymock'))
-import mock # pylint: disable=import-error
+sys.path.append(os.path.join(
+    constants.DIR_SOURCE_ROOT, 'third_party', 'pymock'))
+import mock # pylint: disable=F0401
 
 
 def _CreateTestLog(raw_logcat=None):
   test_adb = adb_wrapper.AdbWrapper('0123456789abcdef')
   test_adb.Logcat = mock.Mock(return_value=(l for l in raw_logcat))
   test_log = logcat_monitor.LogcatMonitor(test_adb, clear=False)
   return test_log
 
 
 class LogcatMonitorTest(unittest.TestCase):
@@ skipping 127 matching lines @@
         ('2345', '5432', 'F', 'LogcatMonitorTest',
          'fatal logcat monitor test message 6'),
         ('3456', '6543', 'D', 'LogcatMonitorTest',
          'ignore me'),]
     self.assertIterEqual(iter(expected_results), actual_results)
 
 
 if __name__ == '__main__':
   unittest.main(verbosity=2)