[DO NOT MERGE] Update Security String to 2017-06-05 for lmp-dev am: 91a21e9d...

[DO NOT MERGE] Update Security String to 2017-06-05 for lmp-dev am: 91a21e9d  -s ours am: ff3f6e29 am: 13b453c9  -s ours am: b57f591f am: 5e089f6b am: 6e52769b am: 53980e19  -s ours am: 773e5235 am: 594667da am: 2ae448cd am: 0a38661a am: 521d7efc  -s ours
am: be9f4b6c

Change-Id: If756165a3069a4fdb9700515edfe4709e5ab2924