Add generated file

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

vendor/k8s.io/kubernetes/pkg/kubelet/checkpointmanager/README.md

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+## DISCLAIMER
+- Sig-Node community has reached a general consensus, as a best practice, to
+avoid introducing any new checkpointing support. We reached this understanding
+after struggling with some hard-to-debug issues in the production environments
+caused by the checkpointing.
+- Any changes to the checkpointed data structure would be considered incompatible and a component should add its own handling if it needs to ensure backward compatibility of reading old-format checkpoint files.
+
+## Introduction
+This folder contains a framework & primitives, Checkpointing Manager, which is
+used by several other Kubelet submodules, `dockershim`, `devicemanager`, `pods`
+and `cpumanager`, to implement checkpointing at each submodule level. As already
+explained in above `Disclaimer` section, think twice before introducing any further
+checkpointing in Kubelet. If still checkpointing is required, then this folder
+provides the common APIs and the framework for implementing checkpointing.
+Using same APIs across all the submodules will help maintaining consistency at
+Kubelet level.
+
+Below is the history of checkpointing support in Kubelet.
+
+| Package | First checkpointing support merged on | PR link |
+| ------- | --------------------------------------| ------- |
+|kubelet/dockershim | Feb 3, 2017 | [[CRI] Implement Dockershim Checkpoint](https://github.com/kubernetes/kubernetes/pull/39903)
+|devicemanager| Sep 6, 2017 | [Deviceplugin checkpoint](https://github.com/kubernetes/kubernetes/pull/51744)
+| kubelet/pod | Nov 22, 2017 | [Initial basic bootstrap-checkpoint support](https://github.com/kubernetes/kubernetes/pull/50984)
+|cpumanager| Oct 27, 2017 |[Add file backed state to cpu manager ](https://github.com/kubernetes/kubernetes/pull/54408)