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

Change-Id: I0f492bc570ca7e489a106b40ba41c2601b6a1a12