Add feature flag for COOP / COEP violation reporting and turn off by default since our implementation doesn't match the latest specification.
Created attachment 440509 [details] Patch
Committed r283732 (242656@main): <https://commits.webkit.org/242656@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 440509 [details].
<rdar://problem/83993441>