Add script to download SDK, system images and create and start AVDs for testing.

build/android/pylib/constants.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.
 
 """Defines a set of constants shared by test runners and other scripts."""
 
 import os
 
 
 CHROME_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                           os.pardir, os.pardir, os.pardir))
+EMULATOR_SDK_ROOT = os.path.abspath(os.path.join(CHROME_DIR, os.pardir,
+                                                 os.pardir))
 
 CHROME_PACKAGE = 'com.google.android.apps.chrome'
 CHROME_ACTIVITY = 'com.google.android.apps.chrome.Main'
 CHROME_DEVTOOLS_SOCKET = 'chrome_devtools_remote'
 
 CHROME_TESTS_PACKAGE = 'com.google.android.apps.chrome.tests'
 
 LEGACY_BROWSER_PACKAGE = 'com.google.android.browser'
 LEGACY_BROWSER_ACTIVITY = 'com.android.browser.BrowserActivity'
 
@@ skipping 45 matching lines @@
 # The directory on the device where perf test output gets saved to.
 DEVICE_PERF_OUTPUT_DIR = '/data/data/' + CHROME_PACKAGE + '/files'
 
 SCREENSHOTS_DIR = os.path.join(CHROME_DIR, 'out_screenshots')
 
 ANDROID_SDK_VERSION = 17
 ANDROID_SDK_ROOT = os.path.join(CHROME_DIR, 'third_party/android_tools/sdk')
 ANDROID_NDK_ROOT = os.path.join(CHROME_DIR, 'third_party/android_tools/ndk')
 
 UPSTREAM_FLAKINESS_SERVER = 'test-results.appspot.com'