[automerger] DO NOT MERGE Add null check to EmergencyCallbackModeExitDialog activity. am: 78fab1f98d am: 06c169f3db am: 04676b86b4 skipped: c20ea0938b am: a91ef0b14b am: 47ff9a1f65 am: d3ce7249ce am: 6893327c60 skipped: f45b5b3cb4
am: 1900f810b9

Change-Id: I467624928cf308d5723f3fd3dac3f010aaf4a810