Active display: turn off display if device gets pocketed again

Change-Id: Icb4c002add915b75de7607f71c0d400e323feb5b
Active display: Catch Resource.NotFoundException

This caused the SystemUI to FC when the device was powered and a notification was fired.
Display stayed off and the SystemUI kept restarting until the device was unlocked manually.

Change-Id: Ibfd82242e82aa9ee5c0898f5f0714e490eac0ea9