Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 9f4304d6085d3cc9a2a242cdbd6a33c10cc91097
  - added test cases to TestAppcProvider.java
    
    to increase code coverage
    
    Issue-ID: APPC-1086
    Change-Id: Iff273f586c3d6ac9fa3809ef605013f11d3d2178
    Signed-off-by: Sandeep J <sandeejh@in.ibm.com>
    
1 file changed