Update Security String to 2016-10-05 to platform and CTS for October Security am: 5da5be6a6a am: 4e53c17e7c am: 6bf8893f47 am: ef7c757264
am: 35419f227c

Change-Id: I0dfedcac1afc572d41f04c80720b5ea0b9f991f4