Add manifest for IVehicle

<manifest version="1.0" type="device" target-level="3">

    <hal format="hidl">

        <name>android.hardware.automotive.vehicle</name>

        <transport>hwbinder</transport>

        <version>2.0</version>

        <interface>

            <name>IVehicle</name>

            <instance>default</instance>

        </interface>

    </hal>

</manifest>