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

Change-Id: I5902c6e7898bf961d0c1d61fe68d411291d9a14c