ABI for ZeppelinOS AdminUpgradeabilityProxy as of zos-lib@2.7.1: https://github.com/OpenZeppelin/openzeppelin-sdk/releases/tag/v2.7.1; If ABI is out of date, recompile contracts from here: https://github.com/OpenZeppelin/openzeppelin-sdk/tree/master/packages/lib/contracts/upgradeability andget ABI with `solc AdminUpgradeabilityProxy.sol --abi`

AdminUpgradeabilityProxy.abi.json

[
  {
    "constant": false,
    "inputs": [
      {
        "name": "newImplementation",
        "type": "address"
      }
    ],
    "name": "upgradeTo",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "newImplementation",
        "type": "address"
      },
      {
        "name": "data",
        "type": "bytes"
      }
    ],
    "name": "upgradeToAndCall",
    "outputs": [],
    "payable": true,
    "stateMutability": "payable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [],
    "name": "implementation",
    "outputs": [
      {
        "name": "",
        "type": "address"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [
      {
        "name": "newAdmin",
        "type": "address"
      }
    ],
    "name": "changeAdmin",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "constant": false,
    "inputs": [],
    "name": "admin",
    "outputs": [
      {
        "name": "",
        "type": "address"
      }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "name": "_logic",
        "type": "address"
      },
      {
        "name": "_admin",
        "type": "address"
      },
      {
        "name": "_data",
        "type": "bytes"
      }
    ],
    "payable": true,
    "stateMutability": "payable",
    "type": "constructor"
  },
  {
    "payable": true,
    "stateMutability": "payable",
    "type": "fallback"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": false,
        "name": "previousAdmin",
        "type": "address"
      },
      {
        "indexed": false,
        "name": "newAdmin",
        "type": "address"
      }
    ],
    "name": "AdminChanged",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "name": "implementation",
        "type": "address"
      }
    ],
    "name": "Upgraded",
    "type": "event"
  }
]