Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 376d65c71a373060fc31023cbd42d0751ee0c3a8
  - Changes for design service
    
    Issue-ID: APPC-1342
    Change-Id: Iff66ff977b7ca6bbe0e83fa467b72d253d9200b8
    Signed-off-by: Sonali Das <sd394g@att.com>
    
1 file changed