Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to b907ab4b6d721c875b042a89c7c8c071ba0dd4a9
  - Add Music NS and Cert Ability
    
    Issue-ID: AAF-967
    Change-Id: I10bf013399b638262f7694ffc0db7d6bd3aee0b3
    Signed-off-by: Instrumental <jonathan.gathman@att.com>
    
1 file changed