Update Security String to 2016-10-01 to platform and CTS for October Security am: cb60b2dedb am: e977aadfea am: 95e55dce44 am: 7d5d729831 am: 5d6ad4a9ab am: 4249783848
am: 0595135d6e

Change-Id: Ia76049e689e58176e102e5d98143cac128e6574d