Add SMS Middleware layer.

Add fix so ordered broadcasts are delivered to system
apps first in the event of a tie. This works around
the issue where terrible apps steal SMS notifications
from the broadcast queue to simply prevent notifications
that could otherwise be removed by a toggle.

PatchSet: rebase + string correction

Change-Id: I4fff0c584f8fce9c5f2f4fe86a82fe6480c307c7

Conflicts:
	core/res/AndroidManifest.xml
	core/res/res/values/strings.xml
Phone: Sprint MWI Quirk: Phantom message wait indicator workaround (2/2)

Part (1/2) http://review.cyanogenmod.com/#/c/13706/

Change-Id: Iec65915475e6b8224b82feec5571f7bbded0545a

Conflicts:
	core/java/android/provider/Settings.java
[Settings] implement noise suppression for phone calls