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Make eviction manager work with CRI container runtime.
Previously, eviction manager uses a function `HasDedicatedImageFs` in `pkg/kubelet/cadvisor` to detect whether image fs and root fs are on the same device.
However, it doesn't work with CRI container runtime which provides container/image stats through CRI. Thus all eviction tests for containerd are failing now. https://k8s-testgrid.appspot.com/sig-node-containerd#node-e2e-flaky
This PR makes it work with CRI container runtime.
@kubernetes/sig-node-pr-reviews
@yujuhong @yguo0905 @feiskyer @mrunalp @abhi @dashpole
Signed-off-by: Lantao Liu <lantaol@google.com>
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
none
```
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