Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/cluster/addons/metadata-proxy/OWNERS

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+approvers:
+- q-lee
+- cjcullen
+- mikedanese
+reviewers:
+- q-lee
+- cjcullen
+- mikedanese

vendor/k8s.io/kubernetes/cluster/addons/metadata-proxy/README.md

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+# Metadata proxy
+==============
+
+This metadata proxy returns a 403 for kubelet's kube-env data, but otherwise allows
+pods access to the metadata server.

vendor/k8s.io/kubernetes/cluster/addons/metadata-proxy/gce/metadata-proxy.yaml

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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: metadata-proxy
+  namespace: kube-system
+  labels:
+    k8s-app: metadata-proxy
+    kubernetes.io/cluster-service: "true"
+    addonmanager.kubernetes.io/mode: Reconcile
+---
+apiVersion: extensions/v1beta1
+kind: DaemonSet
+metadata:
+  name: metadata-proxy-v0.1
+  namespace: kube-system
+  labels:
+    k8s-app: metadata-proxy
+    kubernetes.io/cluster-service: "true"
+    addonmanager.kubernetes.io/mode: Reconcile
+    version: v0.1
+spec:
+  updateStrategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        k8s-app: metadata-proxy
+        kubernetes.io/cluster-service: "true"
+        version: v0.1
+      # This annotation ensures that the proxy does not get evicted if the node
+      # supports critical pod annotation based priority scheme.
+      # Note that this does not guarantee admission on the nodes (#40573).
+      annotations:
+        scheduler.alpha.kubernetes.io/critical-pod: ''
+    spec:
+      priorityClassName: system-node-critical
+      serviceAccountName: metadata-proxy
+      hostNetwork: true
+      dnsPolicy: Default
+      tolerations:
+      - operator: "Exists"
+        effect: "NoExecute"
+      - operator: "Exists"
+        effect: "NoSchedule"
+      containers:
+      - name: metadata-proxy
+        image: k8s.gcr.io/metadata-proxy:v0.1.9
+        securityContext:
+          privileged: true
+        # Request and limit resources to get guaranteed QoS.
+        resources:
+          requests:
+            memory: "25Mi"
+            cpu: "30m"
+          limits:
+            memory: "25Mi"
+            cpu: "30m"
+      # BEGIN_PROMETHEUS_TO_SD
+      - name: prometheus-to-sd-exporter
+        image: k8s.gcr.io/prometheus-to-sd:v0.2.4
+        # Request and limit resources to get guaranteed QoS.
+        resources:
+          requests:
+            memory: "20Mi"
+            cpu: "2m"
+          limits:
+            memory: "20Mi"
+            cpu: "2m"
+        command:
+          - /monitor
+          - --stackdriver-prefix={{ prometheus_to_sd_prefix }}/addons
+          - --api-override={{ prometheus_to_sd_endpoint }}
+          - --source=metadata_proxy:http://127.0.0.1:989?whitelisted=request_count
+          - --pod-id=$(POD_NAME)
+          - --namespace-id=$(POD_NAMESPACE)
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+      # END_PROMETHEUS_TO_SD
+      nodeSelector:
+        beta.kubernetes.io/metadata-proxy-ready: "true"
+      terminationGracePeriodSeconds: 30

vendor/k8s.io/kubernetes/cluster/addons/metadata-proxy/gce/podsecuritypolicies/metadata-proxy-psp-binding.yaml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: gce:podsecuritypolicy:metadata-proxy
+  namespace: kube-system
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile
+    kubernetes.io/cluster-service: "true"
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: gce:podsecuritypolicy:privileged
+subjects:
+- kind: ServiceAccount
+  name: metadata-proxy
+  namespace: kube-system