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>. Create pkg/kubelet/apis/deviceplugin/v1beta1 directory. The proto stays the same as v1alpha. Only changes Version in constants.go to "v1beta1" and the BUILD file to pick up the new dir. ```release-note Adding pkg/kubelet/apis/deviceplugin/v1beta1 API. ```