Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to aa0071848512c5570b6f218514716ace958ec7a8
  - Major- Unused "context" local variable.
    
    If a local variable is declared but not used, it is dead code and should be removed. Doing so will improve maintainability because developers will not wonder what the variable is used for.
    
    Issue-ID: APPC-1675
    Change-Id: I9cccd6fd529591cbbe7095cce9d5687a712f42d9
    Signed-off-by: anushadasari <danush10@in.ibm.com>
    
1 file changed