[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

Change-Id: I2676860fa74fee08c8b7572c858b4ed7bf637d60