[DO NOT MERGE] Update Security String to 2017-06-01 in klp-dev am: e6a77de43b am: 8dcfa2ac07 am: 386d7ae2e8  -s ours am: 4389a11f4b  -s ours am: 65101a958e am: 18c3da68f0  -s ours am: 988fc368d3 am: 14ef6098bb am: a34845a20c am: a73f9cf1f5  -s ours am: 3720a2f373
am: 597a5a8b14

Change-Id: Ic0f2ee49ee4d02e8ce7196329cc785d4eb9bcb2f