Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to 3f85ebb6cb093a4d83903313ec72c1d4719bc468
  - Merge "Improving CMD-exec err msgs/handling."
  - Improving CMD-exec err msgs/handling.

    Issue-ID: CCSDK-2049

    rev1. initial commit
    rev2. added better logging/passing errors.
    rev3. bugfixes
    rev4. bugfix for CommandExecutorServer.prepareEnv return status was still returning bool.
    (was caught only during a defective mariadb pip package install!)

    Signed-off-by: Oleg Mitsura <oleg.mitsura@amdocs.com>
    Change-Id: Ifbddaeb0e15857f42b121af10e30e29dec5c20b2