Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 02544540c9bb24c87e0c2497476feaf98197ca15
  - Point to released common,models,drools-apps
    
    Issue-ID: POLICY-2378
    Change-Id: I4aa81585e154c1e7ee131db9cf5194530a212e67
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
    
1 file changed