Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 6129846e19a51f266d61df7b71fac408e5611b76
  - release 2.1.19
    
    Issue-ID: AAF-1081
    Signed-off-by: Instrumental <jgonap@stl.gathman.org>
    Change-Id: Id6b33b5a4c9de659d3396cf46d5f51d5a5e5b917
    
1 file changed