Merge pull request kubernetes#65376 from mindprince/to-done

Automatic merge from submit-queue (batch tested with PRs 65377, 63837, 65370, 65294, 65376). 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>.

Remove unneeded sleep from test.

The race condition that required this sleep was fixed in google/cadvisor#1969.
That was vendored in kubernetes#65334.

```release-note
NONE
```

/assign @jiayingz @vishh

test/e2e/instrumentation/monitoring/accelerator.go

@@ -74,9 +74,6 @@ func testStackdriverAcceleratorMonitoring(f *framework.Framework) {
 
 	scheduling.SetupNVIDIAGPUNode(f, false)
 
-	// TODO: remove this after cAdvisor race is fixed.
-	time.Sleep(time.Minute)
-
 	f.PodClient().Create(&v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
 			Name: rcName,