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

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 ce6d570ac6bdd6e46f43a9c29e9efe0ebc662a90..a9dd671b7630f692b511fa895bed75a68ad38080 100755
--- a/build/android/provision_devices.py
+++ b/build/android/provision_devices.py
@@ -21,6 +21,7 @@ import subprocess
 import sys
 import time
 
+from devil import devil_env
 from devil.android import battery_utils
 from devil.android import device_blacklist
 from devil.android import device_errors
@@ -484,6 +485,8 @@ def main():
 
   run_tests_helper.SetLogLevel(args.verbose)
 
+  devil_env.config.Initialize()
+
   return ProvisionDevices(args)