Keyguard : Fix album art sticking after playback is stopped

newIsNull should be populated by what is currently being set and not by
what the user's custom background is, since otherwise you end up a in state
where the user has no custom background set, music stops, no album art via arg is provided and you simply return.

Change-Id: Ifaea1cae176faaba6b32a711071f3b75ccacdd63
Move theme strings to cm_strings.xml

Also correct application->app

Change-Id: I13afe2b810ccb8f9a5fa9484a5cd93ec9820ed6e
CM11 Themes: Take into account ALL res/xml dirs

Only res/xml was being searched for redirection XML files, which
causes themes that use xml-v14, xml-v19, etc to be overlooked and
resources not being mapped.

Change-Id: I8ccad5770250150a95ec3b89be56f8d01025b126
frameworks/base: Call setDirtyRect to update dirty rectangle

This change updates dirty rectangle instead of dirty region of a
surface.

Change-Id: Ic5c6e68ff644911a596a2432fd14868edbff9b17