Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to dbd97a1dd39e0fa3a587b00cb8f42616ef59a2f6
  - Merge "Replace vfmodule: expect optional retainVolumeGroups param"
  - Replace vfmodule: expect optional retainVolumeGroups param

    Issue-ID: VID-603
    Signed-off-by: Sara Weiss <sara.weiss@intl.att.com>
    Signed-off-by: Ittay Stern <ittay.stern@att.com>
    Change-Id: I392d1e70a7f423128221b2f7a7fc0f8449d8e268

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index c1777f4..dbd97a1 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit c1777f478aa421c35667a99fd2199569bc9e4a8a
+Subproject commit dbd97a1dd39e0fa3a587b00cb8f42616ef59a2f6