[css-animationworklet] Actually correct exposed set on AWGS IDL (#907)

Author: majido

css-animationworklet/Overview.bs

@@ -276,7 +276,7 @@ The map gets populated when {{registerAnimator(name, animatorCtor)}} is called.
 
 <xmp class='idl'>
 
-[ Exposed=(AnimationWorklet, Worklet), Global=AnimationWorklet ]
+[ Global=(Worklet,AnimationWorklet), Exposed=AnimationWorklet ]
 interface AnimationWorkletGlobalScope : WorkletGlobalScope {
     void registerAnimator(DOMString name, AnimatorInstanceConstructor animatorCtor);
 };