DO NOT MERGE : Update Security String to 2017-05-05 on lmp-dev am: baf29229ca  -s ours am: 9921f826fe am: 88ba3a3bf8  -s ours am: fc869b58e8 am: 959da97bba am: 7f4fbb79ac am: 9754351b7c  -s ours am: f727c7433b am: 9525d910c7 am: 00bec5014e am: cc1c6b5013 am: 8b245c37ad
am: b21de5a803  -s ours

Change-Id: Id169e9f2ad6d45360bed4a4f0e7e346b99945649