am: 0ca7de9031 * commit '0ca7de90310034d118f21343a69a38ebc02dd0bc': Add callback for connections to be notified when the ringer is silenced.
am: 0ca7de9031 * commit '0ca7de90310034d118f21343a69a38ebc02dd0bc': Add callback for connections to be notified when the ringer is silenced.