nicky: Move oplus fingerprint vintf fragment in-tree for convenience

hidl_interface {

    name: "vendor.oplus.hardware.biometrics.fingerprint@2.1",

    root: "vendor.oplus.hardware",

    vintf_fragments: ["vendor.oplus.hardware.biometrics.fingerprint@2.1-service.xml"],

    srcs: [

        "IBiometricsFingerprint.hal",

        "IBiometricsFingerprintClientCallback.hal",

<manifest version="1.0" type="device">

    <hal format="hidl">

        <name>vendor.oplus.hardware.biometrics.fingerprint</name>

        <transport>hwbinder</transport>

        <version>2.1</version>

        <interface>

            <name>IBiometricsFingerprint</name>

            <instance>default</instance>

        </interface>

    </hal>

</manifest>