Option to enable Notification Light when screen is on (1/2)
This makes possible to enable the Notification LED even when the screen is on

Change-Id: I78609bfc7429310a209808939de0286999bb7be0

Conflicts:

	core/java/android/provider/Settings.java
	services/java/com/android/server/NotificationManagerService.java

MY_NOTE: I commited manually to avoid annoying conflicts

	modified:   core/java/android/provider/Settings.java
	modified:   services/java/com/android/server/NotificationManagerService.java

https://github.com/temasek/android_frameworks_base/commit/ffaea070c9029a3dc7680ddd0d37b54ae4143f09