Updated git submodules

Project: appc master ac822a12b7963c04992684ac3307ed986073f342

Fix Blocker/Critical sonar issues

Fix Blocker/Critical sonar issues in appc module
https://sonar.onap.org/component_issues?id=org.openecomp.appc%3Aappc#resolved=false|severities=BLOCKER

Fixed null pointer exceptions for QueryStatus and db string.

Issue-Id: APPC-92
Change-Id: Ic499d7af6c90cd692e8362ba4f7d2f5d65d49471
Signed-off-by: shashikanth.vh <shashikanth.vh@huawei.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 6c34983..ac822a1 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 6c34983dce34c834e42eb6e5bf9ca5a137f29cce
+Subproject commit ac822a12b7963c04992684ac3307ed986073f342