Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. e2e: add a tooling argument to differentiate tooling We expect lots of tools to be able to install on provider=gce - the cluster API, kops, kube-up etc. We introduce a new optional flag to e2e ('tooling') to enable switching on the tooling, not just the cloud. This will prove useful for upgrade tests, for example, where the mechanism will likely vary by tooling, but is currently tightly bound to the provider (i.e. cloud) ```release-note NONE ```