[automerger skipped] fix att notification crash
am: 3d2e52b10d -s ours
am skip reason: change_id I39a9a445bbab737b79f966b3e48c0b24a36f5e18 with SHA1 251ce8fd44 is in history

Change-Id: I03a04e64ebbe072f947deab40fc1bb34d956ba08