[Cocoa] Adopt AVAssetPrefersSandboxedParsingOptionKey
<rdar://89029829>
Created attachment 454597 [details] Patch
Created attachment 454598 [details] Patch for landing
Created attachment 454600 [details] Patch for landing
Created attachment 454604 [details] Patch for landing
Committed r291296 (248435@main): <https://commits.webkit.org/248435@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 454604 [details].