Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 2ccdeb2e6eeda78e214fa55fee4e3057e89f54c4
  - Merge "Add gRPC framework to orchestrator"
  - Add gRPC framework to orchestrator

    Adds proto and generated go files for a healtcheck,
    contextupdate and installapp rpc services.  Adds framework
    for orchestrator as an rpc client to connect
    to configured controllers.

    Issue-ID: MULTICLOUD-1019
    Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
    Change-Id: Ie66865789fe2146258c91e168cfb8d5933905814