The javadoc in java.awt.Desktop class has some missing blank lines between `@param` and `@throws` tags which look inconsistent.

lines 779-780 [1]
     * @param printFileHandler handler
     * @throws SecurityException if a security manager exists and its

This problem is found [2] during code review for JDK-8338411 in PR 21498 [3].

There are other places below where it's missing. We may update the documentation for a more consistent look.

[1] https://github.com/openjdk/jdk/blob/ea110c35f5429f1e1de57a301e2256f508a4c324/src/java.desktop/share/classes/java/awt/Desktop.java#L779-L780
[2] https://github.com/openjdk/jdk/pull/21498#discussion_r1815168399
[3] https://github.com/openjdk/jdk/pull/21498