Updated git submodules

Project: appc master 715965b6c8d17a073d3162e75ffe82be448ac1ca

Coverage for ArtifactHandlerInternalException

Unit test for ArtifactHandlerInternalException.java
Sonar-Link:
https://sonar.onap.org/code?id=org.onap.appc%3Aappc&selected=org.onap.appc%3Aappc-artifact-handler-provider%3Asrc%2Fmain%2Fjava%2Forg%2Fonap%2Fappc%2Fartifact%2Fhandler%2Fnode%2FArtifactHandlerInternalException.java


Change-Id: I887613bc793256be84e288ca432d11c45d320cfc
Issue-ID: APPC-792
Signed-off-by: amshegokar <AS00500801@techmahindra.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index b3730b3..715965b 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit b3730b302c2f1df5d6e020a58d0d9be60aaf48b6
+Subproject commit 715965b6c8d17a073d3162e75ffe82be448ac1ca