Settings: Configurable 0, 90, 180 and 270 degree rotation (2/2)

Change-Id: I48e81ff5b3f89e2b7531a19e42b491182cbf95b4

Conflicts:
	src/com/android/settings/DisplaySettings.java

Conflicts:
	res/values/pa_strings.xml
	res/xml/display_settings.xml