[DO NOT MERGE] Update Security String to 2017-02-05 on mnc-dev am: 06e7d1f2ac am: 4e1976ff9b am: 7a2ca27f87 am: 31bc4666be  -s ours am: 80d094259e am: ab8c6b7e33
am: 920376a35a

Change-Id: I9eb5927b353df59bc2f4d6ca9b8b0959fa605185