Update git submodules

Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to c82af6144e25fe16555153a122040a55a06fd638
  - Merge "Migrate aai-aai-common docs"
  - Migrate aai-aai-common docs

    Merging this will create
    https://onap-aai-aai-common.readthedocs.io
    This build will run in parallel
    to the current docs generation method
    until we are ready to cut over.

    Issue-ID: CIMAN-364
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: Ib2b9138152a2caf20917c120fe163c27e2b59962