Submitted  to cherrypick this to 4.4. Note that this BZ is for the following issues:
$ oc get clusterversion
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.4.0-0.nightly-2020-03-03-175205 True False 9h Cluster version is 4.4.0-0.nightly-2020-03-03-175205
$ oc get volumesnapshotclass
NAME DRIVER DELETIONPOLICY AGE
csi-azuredisk-vsc disk.csi.azure.com Delete 11s
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.