Move from glog to klog

- Move from the old github.com/golang/glog to k8s.io/klog
- klog as explicit InitFlags() so we add them as necessary
- we update the other repositories that we vendor that made a similar
change from glog to klog
  * github.com/kubernetes/repo-infra
  * k8s.io/gengo/
  * k8s.io/kube-openapi/
  * github.com/google/cadvisor
- Entirely remove all references to glog
- Fix some tests by explicit InitFlags in their init() methods

Change-Id: I92db545ff36fcec83afe98f550c9e630098b3135

pkg/controller/clusterroleaggregation/BUILD

@@ -19,7 +19,7 @@ go_library(
         "//staging/src/k8s.io/client-go/listers/rbac/v1:go_default_library",
         "//staging/src/k8s.io/client-go/tools/cache:go_default_library",
         "//staging/src/k8s.io/client-go/util/workqueue:go_default_library",
-        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/k8s.io/klog:go_default_library",
     ],
 )
 

pkg/controller/clusterroleaggregation/clusterroleaggregation_controller.go

@@ -21,7 +21,7 @@ import (
 	"sort"
 	"time"
 
-	"github.com/golang/glog"
+	"k8s.io/klog"
 
 	rbacv1 "k8s.io/api/rbac/v1"
 	"k8s.io/apimachinery/pkg/api/equality"
@@ -145,8 +145,8 @@ func (c *ClusterRoleAggregationController) Run(workers int, stopCh <-chan struct
 	defer utilruntime.HandleCrash()
 	defer c.queue.ShutDown()
 
-	glog.Infof("Starting ClusterRoleAggregator")
-	defer glog.Infof("Shutting down ClusterRoleAggregator")
+	klog.Infof("Starting ClusterRoleAggregator")
+	defer klog.Infof("Shutting down ClusterRoleAggregator")
 
 	if !controller.WaitForCacheSync("ClusterRoleAggregator", stopCh, c.clusterRolesSynced) {
 		return