Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Fixed two tests that never had their networks removed on tearDown()"
  - Fixed two tests that never had their networks removed on tearDown()

    JIRA: SNAPS-56

    Change-Id: I43d47f59f5b15805dce425f148ec5c990055ca73
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index e64bf89..a9b5b7d 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit e64bf898644b45f28f9df31dd054b8864e4828b8
+Subproject commit a9b5b7d0135ab6d86e4ecd535699f70e7323302c