Add mechanism for vendor-specific enrollment

    <!-- Uri that represents extra bluetooth settings -->

    <string name="config_bluetooth_device_settings_uri" translatable="false">content://com.google.android.gms.nearby.fastpair/settings_slice?addr=<xliff:g id="mac_address">%1$s</xliff:g></string>

    <!-- ComponentName to launch a vendor-specific enrollment activity if available -->

    <string name="config_face_enroll" translatable="false"></string>

</resources>

package com.android.settings.biometrics.face;

import android.app.admin.DevicePolicyManager;

import android.content.ComponentName;

import android.content.Intent;

import android.hardware.face.FaceManager;

import android.os.Bundle;

import android.text.TextUtils;

import android.view.View;

import android.widget.Button;

import android.widget.LinearLayout;

    @Override

    protected Intent getEnrollingIntent() {

        final Intent intent = new Intent(this, FaceEnrollEnrolling.class);

        final String flattenedString = getString(R.string.config_face_enroll);

        final Intent intent = new Intent();

        if (!TextUtils.isEmpty(flattenedString)) {

            ComponentName componentName = ComponentName.unflattenFromString(flattenedString);

            intent.setComponent(componentName);

        } else {

            intent.setClass(this, FaceEnrollEnrolling.class);

        }

        intent.putExtra(EXTRA_KEY_REQUIRE_VISION, mSwitchVision.isChecked());

        intent.putExtra(EXTRA_KEY_REQUIRE_DIVERSITY, mSwitchDiversity.isChecked());

        return intent;