Update Security String to 2017-02-01 in lmp-dev am: 19717dff7c am: 36d8423804 am: ca32812b01  -s ours am: 2e720eba5f am: c8d8647e37 am: 8e5abe38c0 am: 78cdf4fd07 am: af617a8560
am: 72aef1bed8

Change-Id: Ic57232ec5c653efb660fd83ee10443910dd6309d