Vulkan: Enable VK_EXT_swapchain_colorspace when supported Enable VK_EXT_swapchain_colorspace instance extension when supported. This expands the number of colorspaces that can be supported by EGL. Bug: angleproject:7630 Change-Id: I10ac62dba80fc7a443ab1cb7be331717855ea74a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3881164 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>