Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to 9e7ef4ead4125c070461fe16cbe991d90ba41e2d
  - Merge "Automation adds release-notes.rst"
  - Automation adds release-notes.rst

    Add _release_notes hook to allow automation.
    Fix non valid release notes characters in content.

    Issue-ID: CIMAN-376
    Change-Id: I65cd3ec0f25483129b501138a67d6588d5dd5464
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>

diff --git a/docs/submodules/aai/aai-common.git b/docs/submodules/aai/aai-common.git
index 84cfa0f..9e7ef4e 160000 (submodule)
--- a/docs/submodules/aai/aai-common.git
+++ b/docs/submodules/aai/aai-common.git
@@ -1 +1 @@
-Subproject commit 84cfa0f1761bb2b3086d35a6608c69b906204b41
+Subproject commit 9e7ef4ead4125c070461fe16cbe991d90ba41e2d