Lockscreen Notifications: fix notifications disappearing on orientation change
Lockscreen Notifications: disable dynamic width for devices <= xhdpi
[1/2] Base: Lockscreen notifications: Option to disable dynamic width

Change-Id: I1e52e2fe9d3f989db2d8e3f6cba75cf95fddcd4e

Conflicts:
	core/java/android/provider/Settings.java
[1/2] Base: Lockscreen notifications: Allow apps to be excluded from being displayed

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