Major Description
StorageBasedAuthorizationProvider(henceforth referred to as SBAP) is a HiveMetastoreAuthorizationProvider (henceforth referred to as HMAP, and HiveAuthorizationProvider as HAP) that was introduced as part of HIVE-3705.
As long as it's used as a HMAP, i.e. from the metastore-side, as was its initial implementation intent, everything's great. However, HMAP extends HAP, and there is no reason SBAP shouldn't be expected to work as a HAP as well. However, it uses a wh variable that is never initialized if it is called as a HAP, and hence, it will always fail when authorize is called on it.
We should change SBAP so that it correctly initiazes wh so that it can be run as a HAP as well.
