Add tensorflow/k8s integration to CNCF CI Cross Cloud Pipeline

[lixuna]

No description provided.

[jlewi]

This issue refers to CNCF CI integration with tensorflow/k8s. This is a sub effort of the larger TensorFlow ecosystem to make TensorFlow run well on Kubernetes.

Can we clarify the title of the issue to make it clear we are referring to tensorflow/k8s and not tensorflow/tensorflow.

For the tensorflow/k8s, the cross cloud support tooling could be very useful for us in the near future because we aren't testing on multiple clouds right now but likely will want to do so soon.

[lixuna]

Thank you for the clarification, Jeremy.

I've changed the title from "Add TensorFlow support to CNCF CI Cross Cloud Pipeline" to "Add tensorflow/k8s integration to CNCF CI Cross Cloud Pipeline."