[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 am: a991b6acc2 am: 59bbe44770 am: a58425e0c8 am: 0b0e0bc4cd am: dd45809495  -s ours am: e9263f666f am: eada8fa3e3
am: ac9cd77574

Change-Id: I8987f2003cf462fe9493471deb4cd8bbb9169f02