New macOS operating systems need access to a Mach service for echo mitigation. We should allow our GPU Process sandbox to access this service.
<rdar://103602668>
Pull request: https://github.com/Webkit/WebKit/pull/8212
Committed 259057@main (b212810b234e): <https://commits.webkit.org/259057@main> Reviewed commits have been landed. Closing PR #8212 and removing active labels.