Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to a4257150ebd9bfbb0da0b877e951164b0495881a
  - Merge "Implant vid-app-common org.onap.vid.job (main and test)"
  - Implant vid-app-common org.onap.vid.job (main and test)

    Issue-ID: VID-378

    Change-Id: I41b0bdc2c4e3635f3f3319b1cd63cefc61912dfc
    Signed-off-by: Einat Vinouze <einat.vinouze@intl.att.com>
    Signed-off-by: Ittay Stern <ittay.stern@att.com>

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index 8d1798f..a425715 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit 8d1798f51550316224d07a628ff630ed4ab818f7
+Subproject commit a4257150ebd9bfbb0da0b877e951164b0495881a