This enables to slide up All Apps from anywhere in the workspace,
not only over the hotseat.

The tricky part handling with scrollable widgets is solved by
setting requestDisallowInterceptTouchEvent from within the
widget view host (and resetting it upon performing long click).

Change-Id: I8b60e7ea2c1e8ae830b4737e94ed2d796265fa24
3 files changed