Update git submodules

* Update docs/submodules/aai/event-client.git from branch 'master'
  to 5fdc2112d43fc2301a0b5a35fc0cc7d3f838d7cd
  - 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: Ia5326487289dad57749da24a4f6214c7cecaf95c
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>

diff --git a/docs/submodules/aai/event-client.git b/docs/submodules/aai/event-client.git
index 4f80d94..5fdc211 160000 (submodule)
--- a/docs/submodules/aai/event-client.git
+++ b/docs/submodules/aai/event-client.git
@@ -1 +1 @@
-Subproject commit 4f80d94f26fda02f6202834275ce7ef98d6b8dbe
+Subproject commit 5fdc2112d43fc2301a0b5a35fc0cc7d3f838d7cd