(4) Forward port Expanded Desktop

to slim 4.2.1

PatchSet 2
forgot to activate it

PatchSet 3+4
rebased

Change-Id: I88744e17e3e0eb16c841597338df1920bcf6f8d0

Conflicts:
	res/values/config.xml
	res/values/strings.xml
	src/com/android/settings/aoip/PowerMenu.java