supports_llvm needs to include is_mac. Bug chromium:966543 Change-Id: Ieedf1bba3948de8c75d8bd07473fa2cb0a1e4299 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/32032Reviewed-by: Alexis Hétu <sugoi@google.com> Presubmit-Ready: Sean Risser <srisser@google.com> Tested-by: Sean Risser <srisser@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
