Annotate setTransportBlockFilter with required permissions.

The method calls BluetoothAdapter#getOffloadedTransportDiscoveryDataScanSupported which requires BLUETOOTH_SCAN and BLUETOOTH_PRIVILEGED permissions.

Bug: 343770394
Flag: EXEMPT, annotation change only
Test: atest BumbleBluetoothTests, atest android.bluetooth.cts
Change-Id: I06fa2838ccb844614f609c81638b96cb43f66e3c