Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to c937e33451a3e609a838d0f0283fb1f925f9b83d
  - Test coverage for ActionIdentifier
    
    Increased test coverage to 100%
    
    Issue-ID: APPC-1499
    Change-Id: I78eee1fdc64840898e1b76984855a43828ee93b4
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed