[2/2] Settings: Lockscreen notifications: Allow apps to be excluded from being displayed

Credits to 0xD34D / ChameleonOS for the original implementation for Active Display

Change-Id: I5153748bb7d8f6cc0a255628c4df5697d5a64939

Conflicts:

	res/values/ok_strings.xml

Conflicts:
	AndroidManifest.xml
	res/values/mahdi_strings.xml
	res/xml/lockscreen_interface_settings.xml
	res/xml/lockscreen_notifications.xml
	src/com/android/settings/mahdi/lsn/LockscreenNotifications.java
	src/com/android/settings/mahdi/lsn/NumberPickerPreference.java

LockScreenNotifications 2/2 & Ownify ROM version
reverted mahdi LSN