Fix swapped error messages in HdfsTable.getAvailableAccessLevel()

Change-Id: Idd06ae5fdf922e0fc73b735596bc8c6114846584
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1396
Reviewed-by: Alex Behm <alex.behm@cloudera.com>
Reviewed-by: Lenni Kuff <lskuff@cloudera.com>
Tested-by: jenkins