healthd/manifest_healthd.xml

<manifest version="1.0" type="framework">
    <hal>
        <name>android.hardware.health</name>
        <transport>hwbinder</transport>
        <version>2.0</version>
        <interface>
            <name>IHealth</name>
            <instance>backup</instance>
        </interface>
    </hal>
</manifest>