Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to ece68034476e3da8756871c69dd6ba1475ef7394
  - Added test case for OutputMessage Plugin
    
    Increased the code coverage from 0% to 100%
    
    Issue-ID: APPC-1431
    Change-Id: Ic05b358428745698d0b4871b9c6213c9c8130c7c
    Signed-off-by: Lathishbabu Ganesan <lathishbabu.ganesan@ericsson.com>
    
1 file changed