src/factory/fake_factory_store_providers/meta/widevine.cmx

{
    "include": [
        "sdk/lib/diagnostics/syslog/client.shard.cmx"
    ],
    "program": {
        "args": [
            "--provider=widevine"
        ],
        "binary": "bin/fake_factory_store_provider"
    },
    "sandbox": {
        "features": [
            "config-data"
        ]
    }
}