use dep as denpendency managment tool

vendor/k8s.io/client-go/tools/metrics/BUILD

@@ -0,0 +1,25 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["metrics.go"],
+    importpath = "k8s.io/client-go/tools/metrics",
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/client-go/tools/metrics/OWNERS

@@ -0,0 +1,7 @@
+reviewers:
+- wojtek-t
+- eparis
+- krousey
+- jayunit100
+- fgrzadkowski
+- tmrts