PCM test graceful termination
PCM test graceful termination

Also make sure, that the IO thread is created every time a new transport
is acquired. This fixed the bug, which disallowed client reconnection.

guillaumezin/bluez-alsa,Arkq/bluez-alsa,Arkq/bluez-alsa,guillaumezin/bluez-alsa,Arkq/bluez-alsa