Automatic merge from submit-queue (batch tested with PRs 60433, 59982, 59128, 60243, 60440). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
kubelet: fix bug where character device is not recognized
**What this PR does / why we need it**:
Fixes a bug where character devices are not recognized by the kubelet because we return `FileTypeBlockDev` instead of `FileTypeCharDev`.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Related issue: https://github.com/kubernetes/kubernetes/issues/5607
**Special notes for your reviewer**:
Kubelet event for bug: https://github.com/kubernetes/kubernetes/issues/5607#issuecomment-366366340
```
Warning FailedMount MountVolume.SetUp failed for volume "dev-fuse" : hostPath type check failed: /dev/fuse is not a character device
```
Commit where bug was introduced: 57ead4898b
**Release note**:
```release-note
Fixes a bug where character devices are not recongized by the kubelet
```
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