Update git submodules

* Update docs/submodules/snaps from branch 'stable/fraser'
  - Addressed issue with test when replicated networks are configured on the pod.

    According to the defect, "neutron OVS agent uses a replicated network for DVR."

    JIRA: SNAPS-305

    Change-Id: I3ceb94582d74a297f5ff41520ffe4e9f5e638266
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>
    (cherry picked from commit 7f5f1b87cdde0b60cda714eb656d46751b9e2548)

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 4edc3d8..1c749e4 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 4edc3d87392cf78c3f046217543fb76380413306
+Subproject commit 1c749e4c6c21bea0c6bb6f177f4c3116d581dcc1