Polish redesgined tutorial home and overview animations

- Added a 6th hotseat icon to the tablet and unfolded foldable
- not animating the previous task view when animating to hotseat from the home step
- updating the first hotseat icon's color and visibility at the correct times
- cross fading the animating task view and hotseat icon's color

Flag: ENABLE_NEW_GESTURE_NAV_TUTORIAL
Fixes: 283967613
Test: ran the tutorial on handheld, tablet and foldable with ENABLE_NEW_GESTURE_NAV_TUTORIAL true and false
Change-Id: I7a76646ca71502e924f45bba76d72be17d31249d