Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 8f2118fad3bbe7c41b5ec462e390a0aeb089cc04
  - Release engine 1.6.0 artifacts
    
    Issue-ID: POLICY-2378
    Change-Id: I1f4a7adfdd35cf01faa943d33d4d8093c0f3ceb9
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
    
1 file changed