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

[jonathan . gibbons]

Changeset: 9f1b516cd9cb
Author:    jjg
Date:      2012-12-17 08:34 -0800
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/9f1b516cd9cb

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

! make/docs/NON_CORE_PKGS.gmk