fix case issues with mGoingIdleWakeLock in DeviceIdleController am: e6f8cb29ec  -s ours am: 7a69e8f3d8 am: af0b547fc7 am: 20081c4e71 am: 8cc9f081aa am: 1838237435
am: 6b953b0f0b

Change-Id: Ida7cbc107a548a0f5451099f1a6b6d815d61927a