Compile sandboxes for all SDKs.
<rdar://problem/117226564>
Pull request: https://github.com/WebKit/WebKit/pull/19309
Committed 269795@main (80be4fcc3b20): <https://commits.webkit.org/269795@main> Reviewed commits have been landed. Closing PR #19309 and removing active labels.
Committed 269818@main (78ee0acc6e86): <https://commits.webkit.org/269818@main> Reviewed commits have been landed. Closing PR #19597 and removing active labels.
269795@main introduced multiple build failures for iOS simulator queues, which is why I reverted it at 269818@main.