Add option to test_runner to specify custom build directory

build/android/test_runner.py

 #!/usr/bin/env python
 #
 # 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.
 
 """Runs all types of tests from one unified interface."""
 
 import collections
 import logging
@@ skipping 39 matching lines @@
   group = optparse.OptionGroup(option_parser, 'Common Options')
   default_build_type = os.environ.get('BUILDTYPE', 'Debug')
   group.add_option('--debug', action='store_const', const='Debug',
                    dest='build_type', default=default_build_type,
                    help=('If set, run test suites under out/Debug. '
                          'Default is env var BUILDTYPE or Debug.'))
   group.add_option('--release', action='store_const',
                    const='Release', dest='build_type',
                    help=('If set, run test suites under out/Release.'
                          ' Default is env var BUILDTYPE or Debug.'))
+  group.add_option('--build-directory', dest='build_directory',
+                   help=('Path to the directory in which build files are'
+                         ' located (should not include build type)'))
   group.add_option('-c', dest='cleanup_test_files',
                    help='Cleanup test files on the device after run',
                    action='store_true')
   group.add_option('--num_retries', dest='num_retries', type='int',
                    default=2,
                    help=('Number of retries for a test before '
                          'giving up.'))
   group.add_option('-v',
                    '--verbose',
                    dest='verbose_count',
@@ skipping 16 matching lines @@
   group.add_option('-d', '--device', dest='test_device',
                    help=('Target device for the test suite '
                          'to run on.'))
   option_parser.add_option_group(group)
 
 
 def ProcessCommonOptions(options):
   """Processes and handles all common options."""
   run_tests_helper.SetLogLevel(options.verbose_count)
   constants.SetBuildType(options.build_type)
+  if options.build_directory:
+    constants.SetBuildDirectory(options.build_directory)
 
 
 def AddGTestOptions(option_parser):
   """Adds gtest options to |option_parser|."""
 
   option_parser.usage = '%prog gtest [options]'
   option_parser.commands_dict = {}
   option_parser.example = '%prog gtest -s base_unittests'
 
   # TODO(gkanwar): Make this option required
@@ skipping 774 matching lines @@
 
 def main():
   signal.signal(signal.SIGUSR1, DumpThreadStacks)
   option_parser = command_option_parser.CommandOptionParser(
       commands_dict=VALID_COMMANDS)
   return command_option_parser.ParseAndExecute(option_parser)
 
 
 if __name__ == '__main__':
   sys.exit(main())