[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 c391af209061a7b17193107a0d934ff6b2c1a6f8..acd2093b1fcfb83e17ca776dd0a8197c7c4a16a5 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
@@ -276,6 +277,8 @@ 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')