BLE Throughput

rendimento BLE com troca de tamanho de MTU

1. Support mtu exchange

2. support loopback, ack and no responese test mode for Android 5.x to 6.0

3. Added BLE device interval time change

4. UUID list:

UUID_SERVICE_BLE_DEVICE_INTERVAL = UUID.fromString("0000e050-0000-1000-8000-00805f9b34fb");

UUID_CHAR_BLE_DEVICE_INTERVAL = UUID.fromString("0000f050-0000-1000-8000-00805f9b34fb");

UUID_SERVICE_BLE_THRUPUT_TEST = UUID.fromString("8832ab08-ba2d-0184-004c-68c08e2190bf");

UUID_CHAR_BLE_THRUPUT_TEST_WRITE = UUID.fromString("361e118a-5524-29b6-0345-b15e12e25b34");

UUID_CHAR_BLE_THRUPUT_TEST_LB = UUID.fromString("361e118a-5524-29b6-0345-b15e12e25b34");

CLIENT_CHARACTERISTIC_CONFIG = "00002902-0000-1000-8000-00805f9b34fb";