Merge pull request #66971 from tnozicka/informer-watcher

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>.

#50102 Task 2: Add UntilWithSync

**What this PR does / why we need it**:
This is a split off from https://github.com/kubernetes/kubernetes/pull/50102 to go in smaller pieces.

Introduces UntilWithSync based on informer.

**Needs https://github.com/kubernetes/kubernetes/pull/66906 first**
/hold

**Release note**:
```release-note
NONE
```

/priority important-soon
/kind bug
(bug after the main PR which is this split from)

pkg/controller/BUILD

@@ -85,6 +85,7 @@ go_library(
         "//staging/src/k8s.io/client-go/rest:go_default_library",
         "//staging/src/k8s.io/client-go/tools/cache:go_default_library",
         "//staging/src/k8s.io/client-go/tools/record:go_default_library",
+        "//staging/src/k8s.io/client-go/tools/watch:go_default_library",
         "//staging/src/k8s.io/client-go/util/integer:go_default_library",
         "//staging/src/k8s.io/client-go/util/retry:go_default_library",
         "//vendor/github.com/golang/glog:go_default_library",

pkg/controller/client_builder.go

@@ -33,6 +33,7 @@ import (
 	v1core "k8s.io/client-go/kubernetes/typed/core/v1"
 	restclient "k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/cache"
+	watchtools "k8s.io/client-go/tools/watch"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	api "k8s.io/kubernetes/pkg/apis/core"
 	"k8s.io/kubernetes/pkg/serviceaccount"
@@ -122,7 +123,7 @@ func (b SAControllerClientBuilder) Config(name string) (*restclient.Config, erro
 			return b.CoreClient.Secrets(b.Namespace).Watch(options)
 		},
 	}
-	_, err = cache.ListWatchUntil(30*time.Second, lw,
+	_, err = watchtools.ListWatchUntil(30*time.Second, lw,
 		func(event watch.Event) (bool, error) {
 			switch event.Type {
 			case watch.Deleted: