[1/2] Base: Lockscreen notifications: Allow apps to be excluded from being displayed

&& respect quiet hours

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

Change-Id: Ie0df1faedb275b1cf131d75d69d9d9cafc828dd9

Conflicts:
	core/java/android/provider/Settings.java
	packages/Keyguard/src/com/android/keyguard/NotificationViewManager.java