Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 2d2cfcffbc2032be20034f69f34cc72983b1cfe6
  - added asserts statements in JUnits
    
    Issue-ID: APPC-1859
    Change-Id: I7fbc6a536e0f3fc40d652c3cc402fcb0b9fc7020
    Signed-off-by: Rupinder <rupinsi1@in.ibm.com>
    
1 file changed