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 am: 66a58cd393 am: e83a09a202 am: c28f13dfa5 am: 811c1790a4
am: 714e164f32

Change-Id: Iaac398301bee2d411472c37cecce598817b3628c