Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 1e61676b77dd09659027b8984f050df7e8538526
  - Consolidate PolicyRestAdapter setup

    Put common code into PolicyEngineUtils that the controllers use to
    populate the PolicyRestController.

    Also some more sonar cleanup and formatting of XML files.

    Shortened 120 line characters. Removed some trailing spaces
    from comments.

    Fixed up one JUnit.

    Licenses.

    Issue-ID: POLICY-2133
    Change-Id: Id7d8ac3ab60331535f048ec0f26aeb17a099414e
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index f18fbfc..1e61676 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit f18fbfc026de9cf02126f57844c37abfee607394
+Subproject commit 1e61676b77dd09659027b8984f050df7e8538526