Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 7be7b5464dfa3bdad079a84b72191ab258f94e2f
  - Merge "Turn role management off by default"
  - Turn role management off by default

    (cherrypicked from casablanca)

    Change-Id: Id8611389b80c3a693c989ce3421f08435ad05d2f
    Issue-ID: VID-448
    Signed-off-by: Wojciech Sliwka <wojciech.sliwka@nokia.com>
    Signed-off-by: Ittay Stern <ittay.stern@att.com>

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index 609062f..7be7b54 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit 609062f1855cef71bcdc9bdd9399cf401db20224
+Subproject commit 7be7b5464dfa3bdad079a84b72191ab258f94e2f