fix device name change issue for azure disk: add remount logic

[andyzhangx]

What this PR does / why we need it:
fix device name change issue for azure disk: add remount logic

Accoding to Troubleshoot Linux VM device name change, there is possibility of device name change, so when kubelet is restarted, we need to check whether the following two paths are still valid:

1. /var/lib/kubelet/plugins/kubernetes.io/azure-disk/mounts/m358246426: in MountDevice func
2. /var/lib/kubelet/pods/950f2eb8-d4e7-11e7-bc95-000d3a041274/volumes/kubernetes.io~azure-disk/pvc-67e4e319-d4e7-11e7-bc95-000d3a041274: in SetUpAt func

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 #57952

Special notes for your reviewer:
this is a corresponding fix of #57549, #57549 uses '/dev/disk/by-id', and this PR would check whether the mountPath is valid when kubelet restart(e.g. after VM reboot since device name may change), if not valid, remount, remember '/dev/disk/by-id' will be always valid.

Release note:

fix device name change issue for azure disk: add remount logic

Update:
I tested this PR again, it works well. While there is some corner case that data disk device name may change after attach/detach data disk, in this situation, reboot that VM or run docker restart $(docker ps -q) to restart all containers on that VM.

[andyzhangx]

/assign @rootfs

[andyzhangx]

@khenidak @karataliu

[andyzhangx]

@karataliu @feiskyer @khenidak PTAL, thx

[feiskyer]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, feiskyer

Associated issue: #57952

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these OWNERS Files:

• pkg/volume/azure_dd/OWNERS [andyzhangx,feiskyer]

You can indicate your approval by writing /approve in a comment
You can cancel your approval by writing /approve cancel in a comment

[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 57733, 57613, 57953). If you want to cherry-pick this change to another branch, please follow the instructions here.