[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

Change-Id: Ia0de479da3bf6908207d6c33ae53133a7db6b7a0