Remove tooltip that's causing CalendarAcrionEventSourceTest failures

This said tooltip gets in front of the context menu and native events
actually clicks on the tooltip instead of the context menu item.

Change-Id: I6519ba98351a5ad03ccc35c29b85a831e3026325
Merge changes from origin/7.1

e961d43 Remove tooltip that's causing CalendarAcrionEventSourceTest failures

Change-Id: I738e4a91cfeccce15f76f6df1c1346c31225cde1