Update git submodules

* Update docs/submodules/dmaap/buscontroller.git from branch 'master'
  to 31b1a1e1af3dc575bee655fede363125ed8107a1
  - Bump version
    
    Issue-ID: DMAAP-1363
    Signed-off-by: dglFromAtt <dgl@research.att.com>
    Change-Id: I6be4de88fa4dcc39e4d17d635d43d2fbc076a90f
    Signed-off-by: dglFromAtt <dgl@research.att.com>
    
1 file changed