Update git submodules

Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 0ccf8ebba94447e7e7004c1a14049f679b0f28b2
  - Improve vid-simulator cloud-nativeness

    Issue-ID: VID-608

    * Integrative tests will look at `SIM_HOST` that may differ from
      `VID_HOST`.

    * Simulator will look at `hibernate.connection.url` property for
      db-connection config

    * Don't skip DB connection if schema not ready, by removing schema
      validation

    Change-Id: Idb4587c30dd0cbc0fe7e7362cb691a4cb425fd10
    Signed-off-by: Ittay Stern <ittay.stern@att.com>