Merge pull request #59727 from wgliang/master.time

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>.

should use time.Since instead of time.Now().Sub

**What this PR does / why we need it**:
should use time.Since instead of time.Now().Sub

**Special notes for your reviewer**:

pkg/cloudprovider/providers/gce/gce_op.go

@@ -45,7 +45,7 @@ func (gce *GCECloud) waitForOp(op *computev1.Operation, getOperation func(operat
 	return wait.Poll(operationPollInterval, operationPollTimeoutDuration, func() (bool, error) {
 		start := time.Now()
 		gce.operationPollRateLimiter.Accept()
-		duration := time.Now().Sub(start)
+		duration := time.Since(start)
 		if duration > 5*time.Second {
 			glog.V(2).Infof("pollOperation: throttled %v for %v", duration, opName)
 		}
@@ -57,7 +57,7 @@ func (gce *GCECloud) waitForOp(op *computev1.Operation, getOperation func(operat
 
 		done := opIsDone(pollOp)
 		if done {
-			duration := time.Now().Sub(opStart)
+			duration := time.Since(opStart)
 			if duration > 1*time.Minute {
 				// Log the JSON. It's cleaner than the %v structure.
 				enc, err := pollOp.MarshalJSON()