Updated git submodules

Project: aaa master dd82888aa061e359931a6d1bfac692d17717f548

Clean read-only transactions

Read-only transactions are documented to be a resource and should
be closed as soon as they are not needed. Failing to do so
triggers warnings in tell-based protocol in CDS, as they trigger
inefficient GC-triggered cleanup.

Change-Id: Ia8468704a75fd42c105f3fba49f817d5c2e0ec30
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit 3a2b698c58ab6cee9f75e84f307298cf75ab5553)

diff --git a/docs/submodules/aaa b/docs/submodules/aaa
index a2f000dc2a6dfbf1c65c67fd8349522d9b7b0fe6..dd82888aa061e359931a6d1bfac692d17717f548 160000 (submodule)
--- a/docs/submodules/aaa
+++ b/docs/submodules/aaa
@@ -1 +1 @@
-Subproject commit a2f000dc2a6dfbf1c65c67fd8349522d9b7b0fe6
+Subproject commit dd82888aa061e359931a6d1bfac692d17717f548