Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 8cf4564676083580cd0abf995df992ac28c2ec2f
  - Merge "major-Extract the assignment out of this expression"
  - major-Extract the assignment out of this expression

    major-Extract the assignment out of this expression

    Issue-ID: AAF-876
    Change-Id: I82fc93ffd5415a078eb1b08548a346970996004d
    Signed-off-by: Thugutla sailakshmi <tsaila10@in.ibm.com>

diff --git a/docs/submodules/aaf/authz.git b/docs/submodules/aaf/authz.git
index dea369c..8cf4564 160000 (submodule)
--- a/docs/submodules/aaf/authz.git
+++ b/docs/submodules/aaf/authz.git
@@ -1 +1 @@
-Subproject commit dea369c59b0f98692044502973ea93d9fa34ed5c
+Subproject commit 8cf4564676083580cd0abf995df992ac28c2ec2f