[Android] Prepare build/android/ for catapult+devil.

build/android/install_emulator_deps.py

Index: build/android/install_emulator_deps.py
diff --git a/build/android/install_emulator_deps.py b/build/android/install_emulator_deps.py
index 6cabc6f6f5651984586bc019370fb6a6c185d600..bb23ddea10fe0bac98b80b8299b335cc8e9d7373 100755
--- a/build/android/install_emulator_deps.py
+++ b/build/android/install_emulator_deps.py
@@ -16,6 +16,7 @@ import os
 import re
 import sys
 
+import devil_chromium
 from devil.utils import cmd_helper
 from devil.utils import run_tests_helper
 from pylib import constants
@@ -213,6 +214,8 @@ def main(argv):
 
   run_tests_helper.SetLogLevel(verbose_count=options.verbosity)
 
+  devil_chromium.Initialize()
+
   # Calls below will download emulator SDK and/or system images only if needed.
   if CheckSDK():
     logging.info('android_emulator_sdk/ exists')