drm/mediadrm/plugins/clearkey/aidl/android.hardware.drm-service.clearkey.xml

<manifest version="1.0" type="device">
    <hal format="aidl">
        <name>android.hardware.drm</name>
        <version>1</version>
        <fqname>IDrmFactory/clearkey</fqname>
    </hal>
</manifest>