While SwiftShader does not support this extension, it is core in Vulkan
1.2. So we must properly process the structures it adds.

Bug: b/176819536
Change-Id: Ib4e0334d9224581b2541f89b356e7bef5f138d30
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/51490
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Sean Risser <srisser@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Commit-Queue: Sean Risser <srisser@google.com>