Link Chromium bug for inBandMetadataTrackDispatchType (#14440)
Link Chromium bug for inBandMetadataTrackDispatchType (#14440)

Also mark it removed in Edge 79, but don't link the bug because there's
a high chance that note would remain if it does eventually ship in Edge
again.
chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data