Run update-api to fix build

    method public android.telecom.DisconnectCause getDisconnectCause();

    method public final int getState();

    method public void hold();

    method public void merge();

    method public void playDtmfTone(char);

    method public final void registerCallback(android.telecom.RemoteConference.Callback);

    method public void separate(android.telecom.RemoteConnection);

    method public void setAudioState(android.telecom.AudioState);

    method public void stopDtmfTone();

    method public void swap();

    method public void unhold();

    method public final void unregisterCallback(android.telecom.RemoteConference.Callback);

  }