Stop playing before setting the ringBuffer in RemoteAudioDestination::RemoteAudioDestination()
<rdar://problem/100412101>
Pull request: https://github.com/WebKit/WebKit/pull/5558
Committed 255777@main (93cd3ae9d2bd): <https://commits.webkit.org/255777@main> Reviewed commits have been landed. Closing PR #5558 and removing active labels.