Push the istio-cni to gcr.io (#10536) (#12186)
Push the istio-cni to gcr.io (#10536) (#12186)

* Push the istio-cni to gcr.io

This fixes the scripting so the istio-cni is pushed
daily to gcr.io.

* Address review comments

Errant debugging left in commit.
geeknoid/istio,istio/istio,istio/istio,istio/istio,smawson/istio,geeknoid/istio,smawson/istio,smawson/istio,istio/istio,geeknoid/istio,istio/istio,smawson/istio,geeknoid/istio,smawson/istio,geeknoid/istio,geeknoid/istio,smawson/istio