Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to bdd46a64e1869297397b81f777ea58e67052391b
  - Increase cassandra/janusgraph

    Increase the cassandra and janusgraph connection timeout to tune
    the working for the sdc-be in the overloaded environment.

    Issue-ID: SDC-2759
    Signed-off-by: Krystian Kedron <k.kedron@partner.samsung.com>
    Change-Id: I5c903724c9c555a3ca4a0513b3eaa7286086b0b4

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 986b34d..bdd46a6 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 986b34d7997dabdf83d36f1bc79f1b169d6ae954
+Subproject commit bdd46a64e1869297397b81f777ea58e67052391b