Merge changes from topic "bt_socket_offload_hal" into main

* changes:
  Update VTS for Bluetooth Socket Offload with RFCOMM
  Update default implementation for Bluetooth Socket Offload with RFCOMM
  Update HAL interface for Bluetooth Socket Offload with RFCOMM
  Add fuzzer for bluetooth socket AIDL
  Add VTS for Bluetooth Socket Offload
  Add default implementation for Bluetooth Socket Offload
  Add HAL interface for Bluetooth Socket Offload