Add missing type for AnimatedValue.resetAnimation() and AnimatedValue.animate()

Summary:
See https://www.internalfb.com/code/fbsource/[d96fd0b6ac13]/xplat/js/react-native-github/Libraries/Animated/nodes/AnimatedValue.js?lines=207

Changelog:
[General][Fixed] - Add missing type for AnimatedValue.resetAnimation() and AnimatedValue.animate()

Reviewed By: christophpurrer

Differential Revision: D42034719

fbshipit-source-id: 40e25940e04bdf296c8b5e4bf39bee2e4baeae07

Author: NickGerleman

Libraries/Animated/Animated.d.ts

@@ -168,13 +168,28 @@ export namespace Animated {
      */
     stopAnimation(callback?: (value: number) => void): void;
 
+    /**
+     * Stops any animation and resets the value to its original.
+     *
+     * See https://reactnative.dev/docs/animatedvalue#resetanimation
+     */
+    resetAnimation(callback?: (value: number) => void): void;
+
     /**
      * Interpolates the value before updating the property, e.g. mapping 0-1 to
      * 0-10.
      */
     interpolate<OutputT extends number | string>(
       config: InterpolationConfigType,
     ): AnimatedInterpolation<OutputT>;
+
+    /**
+     * Typically only used internally, but could be used by a custom Animation
+     * class.
+     *
+     * See https://reactnative.dev/docs/animatedvalue#animate
+     */
+    animate(animation: Animation, callback?: EndCallback | null): void;
   }
 
   type ValueXYListenerCallback = (value: {x: number; y: number}) => void;
@@ -201,6 +216,8 @@ export namespace Animated {
 
     extractOffset(): void;
 
+    resetAnimation(callback?: (value: {x: number; y: number}) => void): void;
+
     stopAnimation(callback?: (value: {x: number; y: number}) => void): void;
 
     addListener(callback: ValueXYListenerCallback): string;