Please note that with this MR the following `TRACE()` calls are removed:
- `"ALSA does not support volume control\n"` - `"OSS doesn't support setting volume\n"` - `"PulseAudio does not support session volume control\n"`
Should I perhaps move them to the specific drivers' unixlib instead?
-- v2: winepulse: Use mmdevapi's SimpleAudioVolume. wineoss: Use mmdevapi's SimpleAudioVolume.