Swift static framework: add toolchain inputs (#1499)
Swift static framework: add toolchain inputs (#1499)

Description: These inputs are required for remote execution - otherwise the remote
machine doesn't know to stage them.

See https://stackoverflow.com/questions/52769846/custom-c-rule-with-the-cc-common-api

Signed-off-by: Ulf Adams <25af59facbd48a9742a6255393a3e51f1739b12d@engflow.com>
envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile,envoyproxy/envoy-mobile