Updated git submodules

Project: policy/engine master c9039d15e8a84a9304fba40283a332a2a65ef854

Merge "Upgrade dependencies to clear security issues"

Upgrade dependencies to clear security issues

A bit of consolidation too - which could use a lot more work. These
were simple security upgrades for fixes identified by LF weekly LCM job.
Added some missing license headers.

Issue-ID: POLICY-507
Change-Id: If285b0f95d30a1084c9363bf6a41b48d52fb3aff
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index b7594ee..c9039d1 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit b7594ee217d0fd4c724fd64dd48d2e154fdd6e90
+Subproject commit c9039d15e8a84a9304fba40283a332a2a65ef854