[DO NOT MERGE] Updating Security String to 2017-03-05 on mnc-dev am: b6ac653f2d am: 41f489b098 am: cc7fef92de am: bc83db626c  -s ours am: 96ec99b33a am: 7b5b22f71e am: f2da174999
am: 543c171c07

Change-Id: If9a46eae1e121d5c8d80c1a4a269968c0e1e7460