[DO NOT MERGE] Update Security String to 2017-06-01 in klp-dev am: e6a77de4...

[DO NOT MERGE] Update Security String to 2017-06-01 in klp-dev am: e6a77de4 am: 8dcfa2ac am: 386d7ae2  -s ours am: 4389a11f  -s ours am: 65101a95 am: 18c3da68  -s ours am: 988fc368 am: 14ef6098 am: a34845a2 am: a73f9cf1  -s ours am: 3720a2f3 am: 597a5a8b am: 859eeaa4 am: b1e5092b am: 19ef36f8
am: 6a1fb65b  -s ours

Change-Id: I8b443dc9ababe76865e4cb4010b5ebaedc5e630b