Add a new jank enum for SysUI fold animation

Perfetto trace in comment

Bug: 319810624
Flag: NONE this is a follow up tracking cl of the main feature
Test: FoldLightRevealOverlayAnimationTest#foldToScreenOn_jankCujIsStarted and FoldLightRevealOverlayAnimationTest#foldToScreenOn_animationFinished_jankCujIsFinished
Change-Id: I689a666e768f0acd1c827099b6ed6a55989dccba