Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to f85e8b191aedc1e5a751a54184427fb0a65c8a0a
  - release 2.1.21
    
    Issue-ID: AAF-1136
    Signed-off-by: John J. Franey <john.franey@att.com>
    Change-Id: Icee87694c61ff095095aeb0f766673eb7e785117
    
1 file changed