Always pass DragEvents to the underlying DirFragment's ItemDragListener.

Events were not being passed to dirFragment's ItemDragListener if user
is in scrolling hotspot, thus preventing spring load/highlight happening
until user stops and starts moving the drag shadow around.

Bug: 31860045
Change-Id: I06cce00cc2ae507d6086b6ac4fe10b51acc80562
2 files changed