Javadoc (b116) lacks @FunctionalInterface on Observer signature

[Paul Benedict]

While reading the Observer javadocs [1], I noticed the message of it being
a functional interface yet the annotation is not appearing on the signature:

"public interface Observer" without the annotation.

Now compare that to javadocs of Comparator:
"@FunctionalInterface
public interface Comparator<T>"

[1] http://download.java.net/jdk8/docs/api/java/util/Observer.html

-- 
Cheers,
Paul