[DO NOT MERGE] Updating Security String to 2017-03-05 on klp-dev b/34345751...

[DO NOT MERGE] Updating Security String to 2017-03-05 on klp-dev b/34345751 am: 3597d695 am: 97c071f5 am: 61c5e507  -s ours am: 074c3265  -s ours am: 2e9eb28b am: fef824f5  -s ours am: e5d862ad am: 2fff24ea am: e85f5851 am: 5c2bd9cb  -s ours am: bf3f53de am: 91e97eda am: 28332a17
am: b243bee2

Change-Id: Ia7ecd0e0ceb11ef3ff543674dfad20332f807201