Update Security String to 2016-10-01 to platform and CTS for October am: 3e6d6b3024 am: 985a8b2709 am: 3920471588 am: 4739db2df6 am: 143bd253d3 am: 01262bec46 am: 8cf402ace2  -s ours
am: 498e9543af

Change-Id: I48d4d237da43a37535c8061e7c6fabeb9009aebe