Add probe service for UV support
Add probe service for UV support

As noted as needed in https://github.com/avalonmediasystem/avalon/issues/4081#issuecomment-625469328
uvalib/avalon,uvalib/avalon,nulib/avalon,uvalib/avalon,nulib/avalon,avalonmediasystem/avalon,uvalib/avalon,nulib/avalon,nulib/avalon,avalonmediasystem/avalon,avalonmediasystem/avalon,avalonmediasystem/avalon