Gallery2: Menu options list disappears very fast

Video playback UI in accordance with the 2.5 seconds interval automatically hide,
and the Actionbar overflow menu is hidden, the UI is going to hide,
the menu display time less than 2.5 seconds.

When the UI is hidden, click the Actionbar overflow time after the restart the hidden.

CRs-Fixed: 801773
Change-Id: I136980d246adfe0d62d452a3a5840efa1ce6e539