module-info.java needs to change to:

module jdk.packager {
    requires jdk.jlink;
    requires jdk.jdeps;

    requires java.xml;
    requires java.desktop;
    requires java.logging;

    exports com.oracle.tools.packager;
    exports com.sun.javafx.tools.packager;
    exports com.sun.javafx.tools.packager.bundlers;
    exports com.sun.javafx.tools.resource;

    uses com.oracle.tools.packager.Bundler;
    uses com.oracle.tools.packager.Bundlers;

    provides com.oracle.tools.packager.Bundlers with
      com.oracle.tools.packager.BasicBundlers;

    provides com.oracle.tools.packager.Bundler with
      com.oracle.tools.packager.jnlp.JNLPBundler,
      com.oracle.tools.packager.linux.LinuxAppBundler,
      com.oracle.tools.packager.linux.LinuxDebBundler,
      com.oracle.tools.packager.linux.LinuxRpmBundler,
      com.oracle.tools.packager.mac.MacAppBundler,
      com.oracle.tools.packager.mac.MacAppStoreBundler,
      com.oracle.tools.packager.mac.MacDmgBundler,
      com.oracle.tools.packager.mac.MacPkgBundler,
      com.oracle.tools.packager.windows.WinAppBundler,
      com.oracle.tools.packager.windows.WinExeBundler,
      com.oracle.tools.packager.windows.WinMsiBundler;
}