[Android] Add a configurable environment for devil/. (RELAND 2)

build/android/provision_devices.py

Index: build/android/provision_devices.py
diff --git a/build/android/provision_devices.py b/build/android/provision_devices.py
index 3a2e100a5815eef414b4f59fbbbd6b1efde72aac..62e8dace40850c4972318acbe3321e253bfe05bd 100755
--- a/build/android/provision_devices.py
+++ b/build/android/provision_devices.py
@@ -21,6 +21,7 @@ import subprocess
 import sys
 import time
 
+import devil_chromium
 from devil.android import battery_utils
 from devil.android import device_blacklist
 from devil.android import device_errors
@@ -490,6 +491,8 @@ def main():
 
   run_tests_helper.SetLogLevel(args.verbose)
 
+  devil_chromium.Initialize()
+
   return ProvisionDevices(args)