Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 4b6435c97dc1e05ee6a1e06190e3c431f9d1a8fe
  - Add AAF in a Nutshell to docs
    
    update release noted
    
    Issue-ID: AAF-758
    Change-Id: If47f32f7b8e727e416308a5c016ddb51e9f71658
    Signed-off-by: Sai Gandham <sg481n@att.com>
    
1 file changed