Add types/bt_transport::tBT_TRANSPORT

/*

 * Copyright 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#pragma once

#define BT_TRANSPORT_INVALID 0

#define BT_TRANSPORT_UNKNOWN BT_TRANSPORT_INVALID

#define BT_TRANSPORT_BR_EDR 1

#define BT_TRANSPORT_LE 2

typedef uint8_t tBT_TRANSPORT;