Setings: Forward port Display Rotation settings

Originaly authored by Robert Burns (burnsra)

Change-Id: I4f96b3f804ee4732b277c35340790f3561d69764

Conflicts:
	res/values/strings.xml
	src/com/android/settings/DisplaySettings.java

Conflicts:
	res/values/gummy_strings.xml
Port CM performance settings
squashed commit of cherry picks from cm

Conflicts:
	AndroidManifest.xml
	res/xml/gummy_interface.xml

Conflicts:
	res/values/gummy_strings.xml