OTA #2307

{
  "postcondition": {
    "build": [
      "google/ctih220/ctih220_sprout:7.0/NRD90M/3085278:user/release-keys"
    ],
    "timestamp": "1469150918"
  },
  "precondition": {
    "device": [
      "ctih220_sprout"
    ]
  },
  "type": "BLOCK"
}