Listen for ACTION_PACKAGE_BEING_REMOVED

Requires http://review.cyanogenmod.org/#/c/64139/

This will allow us to handle changing back to the default
theme for any components that are using the package about
to be removed.  Some apps may crash if the them resources are
removed before we change the theme back.

Change-Id: If1778ea4dd3be86af21479f12e75d22083e168ef
Merge "Listen for ACTION_PACKAGE_BEING_REMOVED" into cm-11.0