Update data/etc/framework-sysconfig.xml

    <!-- Whitelist of what components are permitted as backup data transports.  The

         'service' attribute here is a flattened ComponentName string. -->

    <backup-transport-whitelisted-service

        service="android/com.android.internal.backup.LocalTransportService" />

        service="com.stevesoltys.seedvault/.transport.ConfigurableBackupTransportService" />

    <!-- Whitelist of bundled applications which all handle URLs to their websites by default -->

    <app-link package="com.android.carrierdefaultapp" />