[android] Make build_type a singleton.

build/android/pylib/gtest/test_runner.py

 # 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.
 
 import logging
 import os
 import re
 
 from pylib import android_commands
 from pylib import constants
@@ skipping 15 matching lines @@
   def __init__(self, test_options, device, test_package):
     """Single test suite attached to a single device.
 
     Args:
       test_options: A GTestOptions object.
       device: Device to run the tests.
       test_package: An instance of TestPackage class.
     """
 
     super(TestRunner, self).__init__(device, test_options.tool,
-                                     test_options.build_type,
                                      test_options.push_deps,
                                      test_options.cleanup_test_files)
 
     self.test_package = test_package
     self.test_package.tool = self.tool
     self._test_arguments = test_options.test_arguments
 
     timeout = test_options.timeout
     if timeout == 0:
       timeout = 60
@@ skipping 141 matching lines @@
   #override
   def TearDown(self):
     """Cleans up the test enviroment for the test suite."""
     # Content shell creates a profile on the sdscard which accumulates cache
     # files over time.
     self.adb.RunShellCommand('rm -r ' +
         os.path.join(self.adb.GetExternalStorage(), 'content_shell'),
         timeout_time=60 * 2)
     self.tool.CleanUpEnvironment()
     super(TestRunner, self).TearDown()