Vulkan: Disable VK_EXT_host_image_copy on Fuchsia An old version of VVL is used, causing incorrect failures. Bug: angleproject:8341 Change-Id: I0fc605616671343a49fed6ff02ecd67eea672dca Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4873440 Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Yuxin Hu <yuxinhu@google.com> Reviewed-by: Yuxin Hu <yuxinhu@google.com>