Send out USER_PRESENT broadcast on screen on if lockscreen is disabled.

This makes sure to turn off the notification LED on screen on when the
lockscreen is disabled by profile or e.g. by lockscreen toggle tile.

Change-Id: I0f6a5f9a021abd2799c22c744ab1180cee027409
Merge "Send out USER_PRESENT broadcast on screen on if lockscreen is disabled." into cm-10.1