Annotate Activity.dump with nullability annotations

     * closed for you after you return.

     * @param args additional arguments to the dump request.

     */

    public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {

    public void dump(@NonNull String prefix, @Nullable FileDescriptor fd,

            @NonNull PrintWriter writer, @Nullable String[] args) {

        dumpInner(prefix, fd, writer, args);

    }

    void dumpInner(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {

    void dumpInner(@NonNull String prefix, @Nullable FileDescriptor fd,

            @NonNull PrintWriter writer, @Nullable String[] args) {

        if (args != null && args.length > 0 && args[0].equals("--autofill")) {

            dumpAutofillManager(prefix, writer);

            return;