GN: Fuchsia probably cannot link without this.

We removed this _none variant globally, thinking we'd put back platform
specific versions as we added support for those platforms.

We don't have anything for Fuchsia.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2271273002

Review-Url: https://codereview.chromium.org/2271273002
1 file changed