Rodio audio (#37786)

Adds input to the experimental rodio_audio pipeline.

Enable with:
```json
"audio": {
  "experimental.rodio_audio": true
}
```

Additionally enables automatic volume 
control for incoming audio:
```json
"audio": {
  "experimental.control_output_volume": true
}
```

Release Notes:

- N/A

crates/livekit_client/examples/test_app.rs

@@ -255,7 +255,10 @@ impl LivekitWindow {
         } else {
             let room = self.room.clone();
             cx.spawn_in(window, async move |this, cx| {
-                let (publication, stream) = room.publish_local_microphone_track(cx).await.unwrap();
+                let (publication, stream) = room
+                    .publish_local_microphone_track("test_user".to_string(), false, cx)
+                    .await
+                    .unwrap();
                 this.update(cx, |this, cx| {
                     this.microphone_track = Some(publication);
                     this.microphone_stream = Some(stream);