Adding touchpad back gesture animation to tutorial screen

- adding lottie-compose dependency
- adding Lottie animation
- overriding colors in animation
- creating TutorialScreenColors that contains all adjustable colors

Bug: 346579074
Test: Open back gesture screen and see beautiful moving animation with tertiary color schema
Flag: com.android.systemui.shared.new_touchpad_gestures_tutorial
Change-Id: I985f68c6790744f14f5caf0a3ae527aad0a0794c