
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>. moved admission interfaces WantsClientCert, WantsAuthorizer and Wants… **What this PR does / why we need it**: moves some admission interfaces to apiserver, hopefully moving the webhook admission in the future will be much easier. **Release note**: ``` NONE ```