Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 6fbff11fd9d6bcf0319aeb8951bcd9c4e80be8d9
  - Error in ScheduledPublishingPolicyImpl
    
    Fix for error in code that causes failure in a
    particular case
    
    Issue-ID: APPC-1479
    Change-Id: If9f8dc21d151ea3e06939ad4db4272f48a8e8b58
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed