Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 6f5ae24a7696ea66fabc9e7ab532cd342b0b1536
  - added test case to VmTest.java
    
    to increase code coverage
    
    Issue-ID: APPC-1086
    Change-Id: I21c87ab20f6c3faee200fcf2d25120175f58e2c5
    Signed-off-by: Sandeep J <sandeejh@in.ibm.com>
    
1 file changed