Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 2de3ca3f233dc739bb335cbb6f4693cfd4121e61
  - Test coverage in EventSenderDmaapImpl
    
    Coverage increased from 10% to 92%
    
    Issue-ID: APPC-1415
    Change-Id: I846a24364bda29e754fa53ed518de92bf00693e6
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed