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>. Improve scheduling queue's logic **What this PR does / why we need it**: Improves scheduling queue's code based on some recent comments on [the original PR](https://github.com/kubernetes/kubernetes/pull/55109). This PR does not fix any bugs or make any change of behavior. **Release note**: ```release-note NONE ``` /sig scheduling