Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to e87a189e91adfa04482363a9057c4a24fe1b03bd
  - Test coverage for Parameters
    
    Increased coverage to 100%
    
    Issue-ID: APPC-1499
    Change-Id: I982023d9f818320f709da552d668b68e5ce0f7b3
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed