Updated git submodules

Project: policy/engine master 3ee69f1af0acddd1e06060ad88c0029fe7ceeaaf

Upgrade Portal SDK to resolve Security Issues

Upgraded version in pom to 2.3.1
Added SQL scripts from Portal to Upgrade Portal related db tables
Added SQL downgrade script and license header
Sorted SQL commands in upgrade script by function_cd per Jim

Change-Id: Id6bef295956b6ec5b13d8fbd0006bbfe98c1c0ac
Issue-ID: POLICY-918
Signed-off-by: Mike Mokry <mm117s@att.com>

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index 54eaa82..3ee69f1 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit 54eaa820dd76f8da6076b6aad3d2c75c68236693
+Subproject commit 3ee69f1af0acddd1e06060ad88c0029fe7ceeaaf