Update git submodules

Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/danube'
  - Add docker container manage function

    JIRA: BOTTLENECK-171

    This patch will add a file to create some function,
    Bottlenecks will use those function to manage docker.
    for example: docker ip address , create docker ,remove docker.

    Change-Id: I60e70ed9c6c7805e85b183ea3b19295fce68f657
    Signed-off-by: liyin <liyin11@huawei.com>
    (cherry picked from commit c821b792db011dbbe1c70d256fadbe9c745570ff)