@Override
		public void onCharacteristicChanged(final BluetoothGatt gatt,
											final BluetoothGattCharacteristic characteristic) {
			onCharacteristicChanged(gatt, characteristic, characteristic.getValue());
		}
Callback indicating service changed event is received.
<p>
Receiving this event means that the GATT database is out of sync with the remote device.
<p>
Requires API 31+.
ble/src/main/java/no/nordicsemi/android/ble/BleManagerHandler.java