Merge changes from topic 'am-d80037280d644891882d5e01cf30f607' into nyc-mr2-dev-plus-aosp

* changes:
  [DO NOT MERGE] Updating Security String to 2017-04-05 on klp-dev am: 502366cdc4 am: 3ce29b8a94 am: b0cef41b76  -s ours am: 8f86884a97  -s ours am: c901cec8b2 am: a150db6547  -s ours am: 28ecd6fdd5 am: 58300f46bf am: 764c206e6d am: 533ca31c93  -s ours am: 4a18b463ab am: 1cfaef4241 am: 4fae3e67ef am: 3ce06ee405 am: 1e00b70b51
  [DO NOT MERGE] Update Security String to 2017-04-01 on klp-dev am: 00c627eb31 am: 5be6d3bbb4 am: ed38784898  -s ours am: 84702d9919  -s ours am: d466175346 am: bc19d8140c  -s ours am: 53a64664c9 am: caff84dcbe am: 2f222829e0 am: 69586d29d7  -s ours am: 8f510b8ca1 am: 34f2511b65 am: 8bc2b6dc86 am: e62cac071f am: 6762121356