Updated git submodules

Project: portal master 3af8af1310d5a27cb58be29505573f0bbdc1717c

Null check for ClientResponse in PolicyUril.java

NullPointerException might be thrown as cres is nullable here
Sonar Link:
https://sonar.onap.org/component_issues/index?id=org.onap.portal%3Aonap-portal-parent#resolved=false|severities=BLOCKER
Location:
/src/main/java/org/openecomp/portalapp/portal/scheduler/policy/PolicyUtil.java
Line No-72

Change-Id: I14dc792fb67198ebcbabfe80d90c48389af6cc91
Issue-ID: PORTAL-153
Signed-off-by: Havaldar Girish <hg0071052@techmahindra.com>

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 3b0029e..3af8af1 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 3b0029e2d987eede8af0a678bec44a33bbc7bec4
+Subproject commit 3af8af1310d5a27cb58be29505573f0bbdc1717c