This has been resolved. A setting in the PulseAudio Volume Control was somehow changed. The icon to set Bluetooth as fallback was clicked and that restored the Bluetooth audio. VirtualBox passes the audio to the host.
This has been resolved. A setting in the PulseAudio Volume Control was somehow changed. The icon to set Bluetooth as fallback was clicked and that restored the Bluetooth audio. VirtualBox passes the audio to the host.