[ANGLE-Metal] Fix 17 textureshadow tests
Created attachment 426884 [details]
Note that there are important steps to take when updating ANGLE. See https://trac.webkit.org/wiki/UpdatingANGLE
Created attachment 427379 [details]
Committed r276820 (237175@main): <https://commits.webkit.org/237175@main>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 427379 [details].