`AVAudioSessionRouteChangeNotification` may fire multiple times inn quick succession when a microphone is attached or detached, ignore any received while recomputing device list.
rdar://81037397
Created attachment 434457 [details] Patch
Comment on attachment 434457 [details] Patch r=me; nit, please add a bit more detail to the ChangeLog from the bugzilla bug about what problem this is attempting to fix, for posterity.
Committed r280400 (240041@main): <https://commits.webkit.org/240041@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 434457 [details].