fixes #11497 adjust aria roles for better screen reader support
fixes #11497 adjust aria roles for better screen reader support

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@22678 560b804f-0ae3-0310-86f3-f6aa0a117693

tkrugg/deliteful,tkrugg/deliteful,brunano21/deliteful,kitsonk/deliteful,EAlexRojas/deliteful,kitsonk/deliteful,EAlexRojas/deliteful,harbalk/deliteful,brunano21/deliteful,cjolif/deliteful,harbalk/deliteful,cjolif/deliteful