[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

Change-Id: Iab28f54f6be36e37fbdd842b72cfa2f60f33eae3