use gcr.io/google-appengine/openjdk:8 to avoid toomanyrequests (#5256)
use gcr.io/google-appengine/openjdk:8 to avoid toomanyrequests (#5256)


GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold