Verified in 4.5.0-0.nightly-2020-03-11-050258 upi on gcp env, after breaking the cluster per above google document, wait for cert expired, then re-start masters, clusters can come back well, control plane certs can recover automatically, oc get po/co/no and other oc basic operations have no problem.
*** Bug 1805398 has been marked as a duplicate of this bug. ***
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2409