Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to e0950730de4543af8e3fd672e80feff540e6483d
  - Bump to 1.4.2-SNAPSHOT
    
    Released 1.4.1
    
    Issue-ID: POLICY-1700
    Change-Id: Ied6d06664155ff6e44ede90f1c081ec5bd2ef679
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
    
diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index 91bd247..e095073 160000
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit 91bd247c5b33ed62300ec1a225265894e80eb844
+Subproject commit e0950730de4543af8e3fd672e80feff540e6483d