hg: jdk8/tl: 8005090: Include com.sun.source.doctree in Tree API docs

[jonathan . gibbons]

Changeset: a0779b1e9a4d
Author:    jjg
Date:      2012-12-17 08:34 -0800
URL:       http://hg.openjdk.java.net/jdk8/tl/rev/a0779b1e9a4d

8005090: Include com.sun.source.doctree in Tree API docs
Reviewed-by: erikj

! common/makefiles/javadoc/NON_CORE_PKGS.gmk