code: def _start_event_client(self):
          
          event_client = SnippetClient(package=self.package, ad=self._ad)
          event_client.host_port = self.host_port
          event_client.device_port = self.device_port
          event_client.connect(self.uid,
                               jsonrpc_client_base.JsonRpcCommand.CONTINUE)
          return event_client
docs: Overrides superclass.