Framework: Enable multi-user support for Quiet Hours

Change-Id: Ica967ff6bf5842a08421583449876ba73de13d51
Framework: Enable multi-user support for Notification light

Change-Id: I4fb84fdb0c9e1592c2a421011c303a789cde8c8c
Framework: Fix multi-user support in AudioService

Change-Id: Iddeeeac0734a237103e238bcdaa1e85806a64e4f