fix case issues with mGoingIdleWakeLock in DeviceIdleController am: e6f8cb29ec  -s ours am: 7a69e8f3d8 am: af0b547fc7 am: 20081c4e71
am: 8cc9f081aa

Change-Id: I39ecaf420d8bc4390c737fd378fd0e32202e2d8c