Optimize k8s-skaffold/skaffold image (#6106)
Optimize k8s-skaffold/skaffold image (#6106)

* Optimize k8s-skaffold/skaffold image

* builder should include skaffold source

* builder wants /usr/bin/skaffold
GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold