Revert "Framework: Forward port Expanded desktop capability"

This reverts commit 383f324118b3c5219b27729e30978c23bd59701f.

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/drawable-hdpi/ic_lock_expanded_desktop.png
	core/res/res/drawable-mdpi/ic_lock_expanded_desktop.png
	core/res/res/drawable-xhdpi/ic_lock_expanded_desktop.png
	core/res/res/values/public.xml
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Signed-off-by: Paul Beeler <sparksco@gmail.com>
Framework: Forward port Expanded desktop capability

Originally authored by Jesús David and ported from
        ParanoidAndroid ICS branch

Change-Id: I9f8491883cdd5bd78cf4754d322e00c7bc5b9ca5

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/values/public.xml
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java