Updates the current status with the received session information:

            new_session_created#9ec20908 first_msg_id:long unique_id:long
            server_salt:long = NewSession;

async def _handle_new_session_created(self, message):
        """
        Updates the current status with the received session information:

            new_session_created#9ec20908 first_msg_id:long unique_id:long
            server_salt:long = NewSession;
        """
        # TODO https://goo.gl/LMyN7A
        self._log.debug('Handling new session created')
        self._state.salt = message.obj.server_salt