Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to a47bd51641efcb84e19d68a6383f0947df826636
  - more junits to auth cass module
    
    Issue-ID: AAF-111
    Change-Id: I7a1d2fd1568c9270174133e266d9590fe769dc7e
    Signed-off-by: Sai Gandham <sg481n@att.com>
    
1 file changed