transport/allocator/1.0/default/android.hidl.allocator@1.0-service.xml

<manifest version="1.0" type="framework">
    <hal max-level="8">
        <name>android.hidl.allocator</name>
        <transport>hwbinder</transport>
        <version>1.0</version>
        <interface>
            <name>IAllocator</name>
            <instance>ashmem</instance>
        </interface>
    </hal>
</manifest>