Fix Gmail unit test
Fix Gmail unit test

Fix a NPE where, while running the unit tests, a download
is not found

Change-Id: I7c407112e5cfe7c39ceace25c48c6eba4f5dcfbe

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base