Update git submodules

Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 1df74b36c81fb4a20927a59a2766d4752df947e8
  - Merge "Make this final field static too"
  - Make this final field static too

    Making a public constant just final as opposed to static final leads to duplicating its value for every instance of the class, uselessly increasing the amount of memory required to execute the application.

    Issue-ID: AAF-983
    Change-Id: Ibbf0ab51f83fe4e1acc3b6be11228d8063a94fea
    Signed-off-by: anushadasari <danush10@in.ibm.com>