Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to e187ba410c1b4907220784355fca279d8b74ba54
  - Added test case for TestSshAdapterMock.java
    
    Added additional test case for TestSshAdapterMock.java
    
    Issue-ID: APPC-1372
    Change-Id: Ib2b6051cb8a47cc133b378d4fed6de326d37c4e5
    Signed-off-by: Sudarshan Kumar <sudars19@in.ibm.com>
    
1 file changed