Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to b186a6a5c746c660a885492f421c29224f56b310
  - Added test case for DesignServiceImpl Class
    
    Increased the coverage from 0% to 97.5%
    
    Issue-ID: APPC-1420
    Change-Id: Iea12e07e91f6d84645dbbc060518c26c1695fd40
    Signed-off-by: Lathishbabu Ganesan <lathishbabu.ganesan@ericsson.com>
    
1 file changed