Updated git submodules

Project: aai/esr-server master 56b2690669d528b1ebc048f5197bb6e0047df2a1

Use managed guava version

Use centrally managed guava version specified in
oparent.  Includes upgrade to oparent 1.2.0.

This change was submitted by script and may include
additional whitespace or formatting changes.

Change-Id: I75510db418f4d283f291a275761f1aaf71025a10
Issue-ID: INT-619
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

diff --git a/docs/submodules/aai/esr-server.git b/docs/submodules/aai/esr-server.git
index 0836ecd..56b2690 160000 (submodule)
--- a/docs/submodules/aai/esr-server.git
+++ b/docs/submodules/aai/esr-server.git
@@ -1 +1 @@
-Subproject commit 0836ecdc1d78e7fb3c5c8c9be5bd48c4d70e234f
+Subproject commit 56b2690669d528b1ebc048f5197bb6e0047df2a1