tree a09a61cca69988ca1c4a70f299db3670e0d8b72c
parent 4567160a43fa5787012bf0b618c216cf18ac0457
author Angus Kong <shkong@google.com> 1389738345 -0800
committer Angus Kong <shkong@google.com> 1389743333 -0800

Up affordance should act as back key in 1up view.

bug:12549094
Change-Id: Id19e2532d9aae929ee15e518a6cd125ff4e550ac