Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 71c17fc5f279a598526a2798dc15e040a753fef6
  - Test coverage for DesignServiceProvider
    
    Add 100% coverage for class
    
    Issue-ID: APPC-1436
    Change-Id: I7e20fa92e5d6b16f7b3c791538464575024fefc5
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed