Updated git submodules

Project: so master a1888226c7a8983e6419717316ee484442bc02f8

ObjectFactory.java: Fixed sonar issues

Sonar Link : https://sonar.onap.org/code?id=org.onap.so%3Aso&selected=org.onap.so%3Amso-openstack-adapters%3Asrc%2Fmain%2Fjava%2Forg%2Fonap%2Fso%2Fadapters%2Fnetwork%2Fasync%2Fclient%2FObjectFactory.java

Issue-ID: SO-1038
Change-Id: I88c7c76d266afabcbbe1ea26772b601a0238cde1
Signed-off-by: Arundathi Patil <arundpil@in.ibm.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 6c29305..a188822 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 6c293059a4b4bfc5033c0fe6298d83df990828ce
+Subproject commit a1888226c7a8983e6419717316ee484442bc02f8