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

Change-Id: I9648c08b1b5c44e22e02d8d25b7a5a66f83797d7