Merge "Add callback for connections to be notified when the ringer is silenced." into cw-e-dev am: 52bdf11583 am: b241487c16 am: 64e41590d2

am: 0ca7de9031

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

telecomm/java/android/telecom/Connection.java

@@ -1804,6 +1804,13 @@ public abstract class Connection extends Conferenceable {
      */
     public void onReject(String replyMessage) {}
 
+    /**
+     * Notifies the Connection of a request to silence the ringer.
+     *
+     * @hide
+     */
+    public void onSilence() {}
+
     /**
      * Notifies this Connection whether the user wishes to proceed with the post-dial DTMF codes.
      */