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

Change-Id: Ia8b27f37c87f72adc4d8aa88aca67adf18d8701d