[Cocoa] Make AVFoundationSPI.h robust against changes in system headers
<rdar://89076606>
Created attachment 452382 [details] [fast-cq] Patch
Committed r290076 (247433@main): <https://commits.webkit.org/247433@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 452382 [details].
Reopening to attach new patch.
Created attachment 452523 [details] Patch
Created attachment 452526 [details] Patch
Created attachment 452528 [details] Patch for landing
Created attachment 452531 [details] [fast-cq] Patch for landing
Committed r290153 (247492@main): <https://commits.webkit.org/247492@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 452531 [details].