Bluetooth MAP (Message Access Profile) Upstream Changes (2/3)

PORTED FROM CM10: http://review.cyanogenmod.org/#/c/26393/

Incorporates updates to the Bluetooth MAP profile from Code Aurora's
Android Enablement Project since we initially pulled in from their
gingerbread to CM7 last year. This patch addresses bugs with the
current MAP profile, adds a UI request for message access approval
when pairing, and adds additional error checking and logging.
Confirmed to fix date and "Download" function of Ford SYNC Gen1.
Pulled in from the codeaurora jb branch.

Change-Id: Ie35067f389ced8e86433a991776b4a8e1f1ce963
Correctly remember MAP access selection.

Previously, the MAP access notification used to pop up on every BT
connection. 'Don't ask this again' didn't work. Fix that by correctly
remembering not only the PBAP access selection, but also the MAP access
selection.

Change-Id: I8fb9bedc02f696c9247861eb57ad64c4a8f5f6fa