Metal: Add support for binding slices to images Add support for binding Metal MTLTextureType2DArray texture slices to EGL images. Bug: angleproject:8531 Change-Id: I938e75c81bf36d3885f3bdcb0d1007e1f87e20c2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5290374 Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Alexey Knyazev <lexa.knyazev@gmail.com> Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com> Reviewed-by: Kenneth Russell <kbr@chromium.org>