Add support for HW Rotation Lock

Forward ported from jellybean

Change-Id: I75fb9fa33541eb6acedd62a67e74977b36768390

Conflicts:
	core/res/res/values/symbols.xml
	services/java/com/android/server/SystemServer.java

Conflicts:
	core/res/res/values/strings.xml
	core/res/res/values/symbols.xml
Configurable 0, 90, 180 and 270 degree rotation

Change-Id: Ia1859c51d71ef9d01cec2d13c6468ed89c6ac53e
Contributor: jonasl

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Conflicts:
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java