Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to db0d945a6f3f0a446ad47f1faa4c5c63da846327
  - added atleat one assert statement in test case
    
    Issue-ID: APPC-1859
    Change-Id: I0aa503664224aa2f6d1ced5faff59f7156609693
    Signed-off-by: Rupinder <rupinsi1@in.ibm.com>
    
1 file changed