Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 5b77b6489dfb644a901e2640615a32d78f533351
  - Update dpush for layer removal
    
    Issue-ID: AAF-873
    Change-Id: If35a6d3ee1432032d440385ab21431b1f68c761d
    Signed-off-by: Instrumental <jonathan.gathman@att.com>
    
1 file changed