Merge "Catch AdbError during adb port forwarding to trigger retry mechanism in gd_device setup"

            #     device port

            remote_port = self._ssh_connection.find_free_port()

            host_port = self._ssh_connection.create_ssh_tunnel(remote_port, local_port=host_port)

        try:

            output = self.forward(["tcp:%d" % host_port, "tcp:%d" % device_port])

        except AdbError as error:

            return error

        # If hinted_port is 0, the output will be the selected port.

        # Otherwise, there will be no output upon successfully

        # forwarding the hinted port.