Update git submodules

Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to cbcca6ed1783b41eb10fbcaa456f3a1cfb8c9a39
  - Merge "Change ServiceInstance's top-level rollbackOnFailure serialization to String"
  - Change ServiceInstance's top-level rollbackOnFailure serialization to String

    This will satisfy a new test: Template Topology API test:
       Deploy Cypress -> getTemplateTopology returns the same template

    Also updating templates__instance_template.json with actual
    "templateTopology" endpoint fields.

    Issue-ID: VID-724
    Change-Id: I1160656c9a58ab2678ca6f2529688463fbd60a91
    Signed-off-by: Ittay Stern <ittay.stern@att.com>