Redesign the tutorial for the go home gesture

This change adds in a new animation and layout to change the existing home tutorial as part of the effort to redesign gesture navigation education for users. This temporarily uses placeholder animations for the back and overview gestures.

Bug: 253521921
Bug: 241813570
Test: Manual
Change-Id: Ifd2de68d995172765d17578cebfd0d88ab7c2e5a