
Automatic merge from submit-queue Implement alpha version of PreferAvoidPods This is part of #18853 <!-- Reviewable:start --> --- This change is [<img src="http://reviewable.k8s.io/review_button.svg" height="35" align="absmiddle" alt="Reviewable"/>](http://reviewable.k8s.io/reviews/kubernetes/kubernetes/20699) <!-- Reviewable:end -->