HBASE-9517 Include only InterfaceAudience.Public elements in generated Javadoc


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1522748 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-326-trunk-gd