Vulkan: Qualify framebuffer fetch with "Color" In preparation for depth/stencil framebuffer fetch, many framebuffer fetch symbols are affixed with Color to indicate that they pertain to color framebuffer fetch logic. Bug: angleproject:352364582 Change-Id: I86000ada5e6ef47387dec0b6a3fca589d816cdc2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5926593 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Yuxin Hu <yuxinhu@google.com>