Vulkan: Create sRGB views only when needed Creating sRGB views was conditioned to VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT being necessary, but that flag can be set for reasons other than sRGB override, such as when recreating the image to be used as a storage image. Bug: angleproject:4551 Change-Id: I6f94a1c898b599d4333d74608c7451b4ce4f71f0 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2279134 Reviewed-by: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>