refactors kubeapiserver webhook utility to be generic generated

pkg/kubeapiserver/BUILD

@@ -50,6 +50,7 @@ filegroup(
         "//pkg/kubeapiserver/authorizer:all-srcs",
         "//pkg/kubeapiserver/options:all-srcs",
         "//pkg/kubeapiserver/server:all-srcs",
+        "//pkg/kubeapiserver/util:all-srcs",
     ],
     tags = ["automanaged"],
 )

pkg/kubeapiserver/admission/BUILD

@@ -12,7 +12,6 @@ go_library(
         "//pkg/client/clientset_generated/internalclientset:go_default_library",
         "//pkg/quota/v1:go_default_library",
         "//pkg/quota/v1/install:go_default_library",
-        "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/meta:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
         "//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",

pkg/kubeapiserver/util/BUILD

@@ -0,0 +1,13 @@
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

staging/src/k8s.io/apiserver/pkg/util/webhook/BUILD

@@ -19,6 +19,7 @@ go_library(
     importmap = "k8s.io/kubernetes/vendor/k8s.io/apiserver/pkg/util/webhook",
     importpath = "k8s.io/apiserver/pkg/util/webhook",
     deps = [
+        "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",