Vulkan: Only modify input attachment images for FF MSAA fix up Previously all OpTypeImages were changed to MSAA, but only the ones with the SubpassData dimension should have been. Bug: angleproject:6195 Change-Id: I1caadd23420f0d9cffdee4e3b9d63cf6fa93982e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3770645 Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>