Suppress end2end test on iOS Metal PixelLocalStorageTest.FlushFinishSync added in https://chromium-review.googlesource.com/c/angle/angle/+/6427324 Bug: angleproject:40096838 Change-Id: Ibd357a357823e757c71c0d4527db774f721b28f6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6440285 Commit-Queue: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Auto-Submit: Yuly Novikov <ynovikov@chromium.org>