Update git submodules

* Update docs/submodules/dmaap/messagerouter/messageservice.git from branch 'master'
  to 2d4ea011b5f22b306cea75991d08e491141e47b1
  - Merge "Junit for UpdateMirrorMaker.java"
  - Junit for UpdateMirrorMaker.java
    
    Junit for UpdateMirrorMaker.java
    
    Issue-ID: DMAAP-972
    Change-Id: I7939d254236b317804adcd131b915a99533c9a26
    Signed-off-by: Driptaroop Das <driptaroop.das@in.ibm.com>
    
1 file changed