[Android] Remove --test-arguments arg from test_runner.py.

build/android/pylib/gtest/gtest_test_instance.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.
 
 import HTMLParser
 import logging
 import os
 import re
 import tempfile
 import threading
@@ skipping 331 matching lines @@
   def _initializeCommandLineFlags(self, args):
     self._flags = []
     if args.command_line_flags:
       self._flags.extend(args.command_line_flags)
     if args.device_flags_file:
       with open(args.device_flags_file) as f:
         stripped_lines = (l.strip() for l in f)
         self._flags.extend(flag for flag in stripped_lines if flag)
     if args.run_disabled:
       self._flags.append('--gtest_also_run_disabled_tests')
-    if args.test_arguments:
-      self._flags.extend(args.test_arguments.split())
 
   @property
   def activity(self):
     return self._apk_helper and self._apk_helper.GetActivityName()
 
   @property
   def apk(self):
     return self._apk_helper and self._apk_helper.path
 
   @property
@@ skipping 140 matching lines @@
             '%s' % l for l in (line.strip() for line in disabled_tests_file)
             if l and not l.startswith('#')]
 
     return '*-%s' % ':'.join(disabled_filter_items)
 
   #override
   def TearDown(self):
     """Do nothing."""
     pass