Calls the AudioOutput implementation of GetStats, which is currently not implemented. Bug: webrtc:14653 Change-Id: Ieaf0e0c030a95d23c8950ff9038a64426142a789 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/324800 Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41003}