Automatic merge from submit-queue (batch tested with PRs 55301, 55319, 54018, 55322, 55125). 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>.
Add support for configmap resource lock type to CCM
**What this PR does / why we need it**:
Adds support for configmap resource locks which can be specified currently via CLI args to the CCM. Currently the `--leader-elect-resource-lock=configmaps` is ignored.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#55124
```release-note
Fix support for configmap resource lock type in CCM
```
/cc @wlan0 @luxas @andrewsykim
@prydie
Output after running with this flag.
```
$ kubectl -n kube-system get cm cloud-controller-manager -oyaml
apiVersion: v1
kind: ConfigMap
metadata:
annotations:
control-plane.alpha.kubernetes.io/leader: '{"holderIdentity":"<host>-external-cloud-controller","leaseDurationSeconds":15,"acquireTime":"2017-11-06T00:14:41Z","renewTime":"2017-11-06T00:17:54Z","leaderTransitions":0}'
creationTimestamp: 2017-11-06T00:14:41Z
name: cloud-controller-manager
namespace: kube-system
resourceVersion: "2548197"
selfLink: /api/v1/namespaces/kube-system/configmaps/cloud-controller-manager
uid: 7c4cfe24-c287-11e7-99e4-0000170192f0
```
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