Bug 1825976: cherrypick etcd-quorum-guard refactoring to 4.4#1655

vrutkovs wants to merge 3 commits intoopenshift:release-4.4openshift/machine-config-operator:release-4.4from

vrutkovs:4.4-quorumguard-backportsvrutkovs/machine-config-operator:4.4-quorumguard-backportsCopy head branch name to clipboard