Updated git submodules

Project: so master 23c4f2cb51c642c52581f660e75ff98c66cb964b

Merge "Adding Junit"

Adding Junit

Junit for:
1.MsoTenant.java
2.NetworkRollback.java

Sonar Link:
https://sonar.onap.org/code?id=org.onap.so%3Aso&selected=org.onap.so.adapters%3Amso-adapter-utils%3Asrc%2Fmain%2Fjava%2Forg%2Fopenecomp%2Fmso%2Fopenstack%2Fbeans

Change-Id: Idd9202ff8de43c31d624854877ea29d556d5a31b
Issue-ID: SO-469
Signed-off-by: AS00465059 <AS00465059@techmahindra.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index bb96946..23c4f2c 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit bb969466dc08129d5903a96ad06170f57bd9f32b
+Subproject commit 23c4f2cb51c642c52581f660e75ff98c66cb964b