Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 9db5a88dda1a9a32dd4c3ddc6ae1fb9b602a2a5b
  - Merge "Reformat POLICY-SDK-APP test cases"
  - Reformat POLICY-SDK-APP test cases
    
    Reformat test cases to follow ONAP style
    https://wiki.onap.org/display/DW/Java+code+style
    
    Format changes mainly consist of conversions of tabs to 4 spaces
    
    Samsung modifications copyrights added
    
    Change-Id: I60b666d879960c80c80f8b1c41fc98fd0703f4d4
    Issue-ID: POLICY-1506
    Signed-off-by: kaihlavi <l.kaihlavirt@partner.samsung.com>
    
1 file changed