Required by cppdap, which is used by the new Vulkan debugger.

Bug: b/145351270
Change-Id: Ibf65a63ed3c508722993578c57d72b1884a06ff9
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/38888Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>