Updated git submodules

Project: appc master e6c85550e118063b075f7d33678fc1720d13b940

Unit test for RequestFailedException.java

Unit test for RequestFailedException.java

Sonar-Link:
https://sonar.onap.org/code?id=org.onap.appc%3Aappc&selected=org.onap.appc%3Aappc-rest-healthcheck-adapter-bundle%3Asrc%2Fmain%2Fjava%2Forg%2Fonap%2Fappc%2Fadapter%2FrestHealthcheck%2Fimpl%2FRequestFailedException.java

Change-Id: Ife89776181fe803d4d02feb7909bc450b6b0e9ed
Issue-ID: APPC-810
Signed-off-by: shubhada <SV00449682@techmahindra.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 7c6de6c..e6c8555 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 7c6de6c3343aeb05b8d2113bc2cb9a7468c48f87
+Subproject commit e6c85550e118063b075f7d33678fc1720d13b940