Re-add some CallNotifier implementations.
By disabling all listeners to CallStateMonitor, we inadvertently removed
some required functionality, including tones to play as requested by the
radio and messages.
This change allows adding of listeners to CallStateMonitor but comments
out the events which are now listened to by ConnectionService.
Additionally, this change removed all ringer and
direct-to-voicemail-related code in telephony.
Bug: 17466554
Bug: 17414427
Change-Id: I6afce24bb8dc741c896c5b3cb6c944e138886060
5 files changed