hg: jdk9/dev/jdk: 8155052: add notes and links to j.u.Observer/Observable deprecation comments

[stuart.marks at oracle.com]

Changeset: a1d25a8fdc98
Author:    smarks
Date:      2017-03-30 11:26 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/a1d25a8fdc98

8155052: add notes and links to j.u.Observer/Observable deprecation comments
Reviewed-by: chegar

! src/java.base/share/classes/java/util/Observable.java