input/classifier/1.0/default/manifest_input.classifier.xml

<manifest version="1.0" type="device">
    <hal format="hidl">
        <name>android.hardware.input.classifier</name>
        <transport>hwbinder</transport>
        <version>1.0</version>
        <interface>
            <name>IInputClassifier</name>
            <instance>default</instance>
        </interface>
    </hal>
</manifest>