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

build/android/adb_reverse_forwarder.py

Index: build/android/adb_reverse_forwarder.py
diff --git a/build/android/adb_reverse_forwarder.py b/build/android/adb_reverse_forwarder.py
index 141fca724e0da971af4ec817433151e58a2da170..d3da6fe2b2c8ba2bd8f4361109d7c3df7c50fa3c 100755
--- a/build/android/adb_reverse_forwarder.py
+++ b/build/android/adb_reverse_forwarder.py
@@ -16,11 +16,14 @@ import optparse
 import sys
 import time
 
+import devil_chromium
+
 from devil.android import device_blacklist
 from devil.android import device_errors
 from devil.android import device_utils
 from devil.android import forwarder
 from devil.utils import run_tests_helper
+
 from pylib import constants
 
 
@@ -44,6 +47,8 @@ def main(argv):
   options, args = parser.parse_args(argv)
   run_tests_helper.SetLogLevel(options.verbose_count)
 
+  devil_chromium.Initialize()
+
   if len(args) < 2 or not len(args) % 2:
     parser.error('Need even number of port pairs')
     sys.exit(1)