Support wifi display settings on tablets.

Bug: 7612891
Change-Id: Ie1268f97e4c28cd9a321a966cd6952bd2a9bc281

Conflicts:
	src/com/android/settings/wfd/WifiDisplaySettings.java
Add support for the new Remote Display APIs.

Remote display devices will now show up under wireless displays.

Change-Id: I1e73a208fe092a697c8294b743b0f1e2c0eabf42