DO NOT MERGE Fix security vulnerabilities in permission of deleting MMS/SMS

This CL adds permission check to avoid unauthorized deletion of any MMS/SMS
messages in BluetoothMapContentObserver.actionMessageSentDisconnected
function.

Bug: 22343270
Change-Id: I30254036309733be4d54db17a8ef17a571cd1c5a
Ticket: CYNGNOS-985
(cherry picked from commit 36794e64)