Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 7a19c65fae201b78689984b1c36915c32002b654
  - added file to test ActionIdentifier.java
    
    to increase code coverage
    
    Issue-ID: APPC-1086
    Change-Id: Iba0884ae878488575cda665ed15cca5b301b6b03
    Signed-off-by: Sandeep J <sandeejh@in.ibm.com>
    
1 file changed