1{
2  "common": {
3    "host_package": "/tmp/linux-x86"
4  },
5  "instances": [
6    {
7      "disk": {
8        "default_build": "/tmp/vsoc_x86_64"
9      },
10      "boot": {
11        "extra_bootconfig_args": "androidboot.W=X androidboot.Y=Z"
12      }
13    }
14  ]
15}
16