Don't log HS2 passwords, even though they shouldn't be set

Change-Id: Ibf275bbf595c043452f05485fdb28f2800b0747a
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3484
Reviewed-by: Marcel Kornacker <marcel@cloudera.com>
Tested-by: jenkins
(cherry picked from commit 4a6283097ea925bef357bbfca7a0d6f87ceb0a9a)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3486
Reviewed-by: Henry Robinson <henry@cloudera.com>
Tested-by: Henry Robinson <henry@cloudera.com>
(cherry picked from commit e801bd8c0d134e783c2313c7dd422a5ad06591af)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3487
(cherry picked from commit 08fa3466dd8914356494919534641842ff3953e0)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3488