Android: Fix test runner retry mode

build/android/run_tests.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012 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.
 
 """Runs all the native unit tests.
 
 1. Copy over test binary to /data/local on device.
 2. Resources: chrome/unit_tests requires resources (chrome.pak and en-US.pak)
@@ skipping 31 matching lines @@
   $ cat gtest_filter/base_unittests_disabled
   DataPackTest.Load
   ReadOnlyFileUtilTest.ContentsEqual
 
 This file is generated by the tests running on devices. If running on emulator,
 additonal filter file which lists the tests only failed in emulator will be
 loaded. We don't care about the rare testcases which succeeded on emuatlor, but
 failed on device.
 """
 
+import copy
 import fnmatch
 import logging
 import optparse
 import os
 import signal
 import subprocess
 import sys
 import time
 
 from pylib import android_commands
@@ skipping 293 matching lines @@
     return 0
 
   if options.use_xvfb:
     xvfb = Xvfb()
     xvfb.Start()
 
   all_test_suites = FullyQualifiedTestSuites(options.exe, options.test_suite,
                                              options.build_type)
   failures = 0
   for suite in all_test_suites:
-    options.test_suite = suite
-    failures += _RunATestSuite(options)
+    # Give each test suite its own copy of options.
+    test_options = copy.deepcopy(options)
+    test_options.test_suite = suite
+    failures += _RunATestSuite(test_options)
 
   if options.use_xvfb:
     xvfb.Stop()
   return failures
 
 
 def ListTestSuites():
   """Display a list of available test suites."""
   print 'Available test suites are:'
   for test_suite in _TEST_SUITES:
@@ skipping 66 matching lines @@
   # the batch (this happens because the exit status is a sum of all failures
   # from all suites, but the buildbot associates the exit status only with the
   # most recent step).
   if options.exit_code:
     return failed_tests_count
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))