Configs still to add: android, fuchsia, windows

Bug: b/152339534
Change-Id: Ieb743e50459114343e72f3be43cf6c215f1f03fe
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/43013Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>