[release-4.12] upgrade/adminack: guarantee one admin ack check post-upgrade#27659

openshift-cherrypick-robot wants to merge 2 commits intoopenshift:release-4.12openshift/origin:release-4.12from

openshift-cherrypick-robot:cherry-pick-27645-to-release-4.12openshift-cherrypick-robot/origin:cherry-pick-27645-to-release-4.12Copy head branch name to clipboard