Keep on notification LED while dreaming.

Change-Id: I407e34f9c60d3140f78abca133b4fda5dd45f311
JIRA:CYAN-689

Conflicts:
	services/java/com/android/server/NotificationManagerService.java

Conflicts:
	services/java/com/android/server/NotificationManagerService.java

Conflicts:
	services/java/com/android/server/NotificationManagerService.java