HOVER: Rework showing behavior on tablets

- Don't animate out statusbar on tablets
- Cleanup

Change-Id: I4cbc283f32d11422ef0a733eab26a73277cd5812
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
HOVER: Don't process and/or show foreground app notifications

- Don't show notification of foreground app
- Animate the ticker in this case so user can see it

Inspired from changes linked here https://gerrit.paranoidandroid.co/#/c/4453/10

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Change-Id: I9f45e1641a7478c7e460c32133db00bd67f63e75