Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 50a914885f4aa2828e257663d8de0aa64c156cee
  - CSIT version variance handling
    
    Issue-ID: AAF-816
    Change-Id: I0f4b53825b9c94ff5016fcfcf928150fbf2ab175
    Signed-off-by: Instrumental <jonathan.gathman@att.com>
    
1 file changed