Merge "matrix: NN HAL uses .* instance." into pi-dev

        <version>1.0</version>

        <interface>

            <name>IDevice</name>

            <!-- TODO(b/73738616): This should be * (match any) -->

            <instance>hvx</instance>

            <regex-instance>.*</regex-instance>

        </interface>

    </hal>

    <hal format="hidl" optional="true">