Update git submodules

* Update docs/submodules/aaf/authz.git from branch 'master'
  to 9f2d11a8c9a8952bfc97e64418b21f26be4e51a6
  - bump version for Guinin: 2.7.x
    
    Initial version is 2.7.0-SNAPSHOT.
    '7' connotes the 7th ONAP release, Guinin.
    
    Issue-ID: AAF-1142
    Signed-off-by: John J. Franey <john.franey@att.com>
    Change-Id: I451a167f3f96ef54054c52f4389cceb8c467fc85
    
diff --git a/docs/submodules/aaf/authz.git b/docs/submodules/aaf/authz.git
index 4946ffd..9f2d11a 160000
--- a/docs/submodules/aaf/authz.git
+++ b/docs/submodules/aaf/authz.git
@@ -1 +1 @@
-Subproject commit 4946ffdbdf1a25942851f5c1f135395bb1a023d2
+Subproject commit 9f2d11a8c9a8952bfc97e64418b21f26be4e51a6