[Do Not Merge] Update Security String to 2017-11-01 on mnc-dev bug:65631379 am: 0c93452c64 am: 0bae3f0fa4 am: b691e678be
am: 33e8f674d7  -s ours

Change-Id: I8580a5f7a14491c158a3ae0902bf2ab6efa9fdeb