fw: always show the rotation lock in the status bar
Fix Rotation Lock Tile view
Add support for Hardware Rotation Lock Switch by using RotationSwitchObserver
from Pawit Pornkitprasan

Change-Id: I39ab497cff1925343bd00b7cb3e3263ce37ab066

Conflicts:
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml