[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

Change-Id: I2ef9cd3f22416f41b17443eb7d6656a96033e75d