Correct k8s.gcr.io post-k8sio-cip Testgrid link
Correct k8s.gcr.io post-k8sio-cip Testgrid link

thockin/k8s.io,thockin/k8s.io,kubernetes/k8s.io,kubernetes/k8s.io,thockin/k8s.io,kubernetes/k8s.io,thockin/k8s.io,kubernetes/k8s.io