[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

Change-Id: I92206f5171cd80db0029237a74924af7e4f76574