Telephony: Dismissable voicemail notifications

    Ported to AOSPA from N5X CM11 Based by @AragaoAnderson

Change-Id: I5ab103806396dc61b555547573900227458f9be6
Quiet Hours: Allow disabling phone ringer (3/3)

    Ported to AOSPA from N5X CM11 Based by @AragaoAnderson

Change-Id: I43de5dc49603c1248069d000eedd2cf86a0f6941