ValidateEGLImageObject should not skip 3D EGLImage * Vulkan and GL backends already support 3D EGLImage, so remove related part in ValidatioinEGLImageObject. * Add a new end2end test for 3D EGLImage. Bug: angleproject:399774384 Change-Id: I6c39298a2f2d4c2dded2d6ddd8b98cdb8a22616a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6311581 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Auto-Submit: Aurora Zhang <Aurora.Zhang@arm.com>