Automatic merge from submit-queue (batch tested with PRs 63328, 64316, 64444, 64449, 64453). 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>.
fix resource builder flags API
Fixes https://github.com/kubernetes/kubernetes/issues/64512
This pull expands the utility of the resource builder flags and demonstrates a second use-case with `kubectl set selector`.
@kubernetes/sig-cli-maintainers
/assign @juanvallejo
/assign @soltysh
```release-note
NONE
```