[GPUP] Enable media parser daemon on iOS.
<rdar://problem/99653449>
Pull request: https://github.com/WebKit/WebKit/pull/5773
Committed 257919@main (5706da05646f): <https://commits.webkit.org/257919@main> Reviewed commits have been landed. Closing PR #5773 and removing active labels.
Reverted in rdar://103561991.
Committed 258155@main (627ed2cc5982): <https://commits.webkit.org/258155@main> Reviewed commits have been landed. Closing PR #7925 and removing active labels.
Re-opening after EWS resolved the bug.