HALO: Update hdpi icons

Signed-off-by: Paul Beeler <sparksco@gmail.com>
HALO bigger update

1. gestures icons without outlines
2. completely re-done speechbubbles
3. empty red batch says M for message
4. speech bubble is animated and moves around
5. new batch animation when gesture is active
6. dead zone buffer fixed
7. empty notification text fixed (with app name for now)

Change-Id: I85cca0240827aabb5f5f773ace24222bf711945d