Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 38818ae1af8d5b474477f5c65d7f0bb6e6d6a404
  - Merge "Added a call to buildAndThrowException when vf"
  - Added a call to buildAndThrowException when vf

    Added a call to buildAndThrowException when vf module not in AAI.
    Updated the main error message and added Unit test.
    Replaced call to buildAndThrowException with AAIEntityNotFoundException
    when vf module not in AAI. Updated Unit test.
    Updated Unit test name. Deleted unused code.

    Issue-ID: SO-2560
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I7bc22465147d6fa6dc2caeb77fc3e51a86a4ee31