HALO first-run turorial less choppy + overlay

Change-Id: Ib33798ae6e2f36305c07556e32206d86809a8ec0
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
HALO black toasts, italics, blue text

Change-Id: Ib437b46790d1455612f2e8740b4b87bdb082af73