make tools/cache authoritative

pkg/kubelet/util/cache/BUILD

@@ -12,7 +12,7 @@ go_library(
     name = "go_default_library",
     srcs = ["object_cache.go"],
     tags = ["automanaged"],
-    deps = ["//pkg/client/cache:go_default_library"],
+    deps = ["//vendor:k8s.io/client-go/tools/cache"],
 )
 
 go_test(
@@ -21,7 +21,7 @@ go_test(
     library = ":go_default_library",
     tags = ["automanaged"],
     deps = [
-        "//pkg/client/cache:go_default_library",
+        "//vendor:k8s.io/client-go/tools/cache",
         "//vendor:k8s.io/client-go/util/clock",
     ],
 )

pkg/kubelet/util/cache/object_cache.go

@@ -19,7 +19,7 @@ package cache
 import (
 	"time"
 
-	expirationcache "k8s.io/kubernetes/pkg/client/cache"
+	expirationcache "k8s.io/client-go/tools/cache"
 )
 
 // ObjectCache is a simple wrapper of expiration cache that

pkg/kubelet/util/cache/object_cache_test.go

@@ -21,8 +21,8 @@ import (
 	"testing"
 	"time"
 
+	expirationcache "k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/util/clock"
-	expirationcache "k8s.io/kubernetes/pkg/client/cache"
 )
 
 type testObject struct {