Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to e172eb389d56dced4fa649a43d73516827c2c153
  - Merge "Unit test drag and drop service"
  - Unit test drag and drop service

    Issue-ID: VID-253
    Signed-off-by: Sara Weiss <sara.weiss@intl.att.com>
    Change-Id: I5915f005a4e428a4268e2a88e827e3f98519087a

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index c86c435..e172eb3 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit c86c4353454d69f8f635451384a247aaa7f106e3
+Subproject commit e172eb389d56dced4fa649a43d73516827c2c153