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>..
Fixes a race in deviceplugin/manager_test.go and a race in deviceplug…
…in/manager.go.
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
https://github.com/kubernetes/kubernetes/issues/52560
**Special notes for your reviewer**:
Tested with go test -count 50 -race k8s.io/kubernetes/pkg/kubelet/deviceplugin and all runs passed.
**Release note**:
```release-note
```