statefulset: use pvc lister, replace legacylisters

Use a PVC lister instead of a client when retrieving PVCs.

Replace unit test's use of legacylisters with the generated listers.

cmd/kube-controller-manager/app/apps.go

@@ -32,6 +32,7 @@ func startStatefulSetController(ctx ControllerContext) (bool, error) {
 	go statefulset.NewStatefulSetController(
 		ctx.NewInformerFactory.Core().V1().Pods(),
 		ctx.NewInformerFactory.Apps().V1beta1().StatefulSets(),
+		ctx.NewInformerFactory.Core().V1().PersistentVolumeClaims(),
 		ctx.ClientBuilder.ClientOrDie("statefulset-controller"),
 	).Run(1, ctx.Stop)
 	return true, nil