build: Add check for spirv-headers revision file
build: Add check for spirv-headers revision file

Change-Id: I9bc225275c4d890f44c7ab4dd2076b981778ac20

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools