Updated git submodules

Project: so master 3881791eb38713846e65cdd1708b10cd11a2605c

Merge "Adding Junit"

Adding Junit

Addinj Junit for:
1.HttpHeader.java
2.RESTClient.java
3.RESTConfig.java
4.RESTException.java

Sonar Link:
https://sonar.onap.org/code?id=org.onap.so%3Aso&selected=org.onap.so%3AMSORESTClient%3Asrc%2Fmain%2Fjava%2Forg%2Fopenecomp%2Fmso%2Frest

Change-Id: I4a10acfab01774ae3a8af9975a27421eb29a638c
Issue-ID: SO-518
Signed-off-by: AS00465059 <AS00465059@techmahindra.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index ed452d8..3881791 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit ed452d870d7bffc37eab1284756b2f97bc2af628
+Subproject commit 3881791eb38713846e65cdd1708b10cd11a2605c