Test of animation

third_party/blink/web_tests/animations/direction-and-fill/animation-direction-reverse-hardware.html

149.0.7827.2196 B

2 keyframes: normal

2 keyframes: alternate

2 keyframes: reverse

2 keyframes: alternate-reverse

4 keyframes: normal

4 keyframes: alternate

4 keyframes: reverse

4 keyframes: alternate-reverse