Update git submodules

Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to b246959cee2989220eff5d3e92028c685a201b67
  - AAI-1523 Batch reformat aai-annotations

    Use maven plugins from AAI-2198 to do batch reformat of aai-annotations
    to consistent code style.

    Change-Id: If1793b45f688d86b47771c154843be6f071f1df7
    Issue-ID: AAI-1523
    Signed-off-by: Keong Lim <keong.lim@huawei.com>
  - AAI-1523 Batch reformat aai-auth

    Use maven plugins from AAI-2198 to do batch reformat of aai-auth
    to consistent code style.

    Change-Id: I7ea7c6e991b81b3d8b167bdd0889aa5674a42001
    Issue-ID: AAI-1523
    Signed-off-by: Keong Lim <keong.lim@huawei.com>