OTA #2400

{
  "postcondition": {
    "build": [
      "google/A1/A1_sprout:6.0.1/MOB30D/2704746:user/release-keys"
    ],
    "timestamp": "1458689776"
  },
  "precondition": {
    "build": [
      "google/A1/A1_sprout:6.0.1/MMB29V/2554798:user/release-keys"
    ],
    "device": [
      "A1_sprout"
    ]
  }
}