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

build/android/buildbot/bb_device_steps.py

Index: build/android/buildbot/bb_device_steps.py
diff --git a/build/android/buildbot/bb_device_steps.py b/build/android/buildbot/bb_device_steps.py
index e4d2998ba699c0f4e53b93df9980d85a7d740485..f52c24b9cf88789a33a1726af6c172eb03a6133a 100755
--- a/build/android/buildbot/bb_device_steps.py
+++ b/build/android/buildbot/bb_device_steps.py
@@ -17,6 +17,7 @@ import bb_utils
 import bb_annotations
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+import devil_chromium
 import provision_devices
 from devil.android import device_utils
 from pylib import constants
@@ -742,6 +743,8 @@ def main(argv):
   parser = GetDeviceStepsOptParser()
   options, args = parser.parse_args(argv[1:])
 
+  devil_chromium.Initialize()
+
   if args:
     return sys.exit('Unused args %s' % args)