Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to f992a85bb2966dc92cae976a777644ccf12f5c61
  - Merge "Migrate oom docs"
  - Migrate oom docs

    Merging this will create
    https://onap-oom.readthedocs.io
    This build will run in parallel
    to the current docs generation method
    until we are ready to cut over.

    Issue-ID: CIMAN-364
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: I502ea73223a2fe2f7f8d235a3544a186ae3d45c1