Automatic merge from submit-queue (batch tested with PRs 60362, 60629, 60572). 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>.
add TestUpdateStatus for horizontalpodautoscaler
**What this PR does / why we need it**:
add `TestUpdateStatus` for horizontalpodautoscaler， and remove the relevant `TODO TestUpdateStatus
`
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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