Align useAnimatedValue with OSS types (facebook#49643)

Summary:
Pull Request resolved: facebook#49643

## Motivation
Modernising the RN codebase to allow for modern Flow tooling to process it.

## This diff
Aligns `useAnimatedValue.js` with its manual .d.ts types.

Changelog: [Internal]

Reviewed By: huntie

Differential Revision: D70096210

fbshipit-source-id: c3cd517eccf1cb68400772ddde6e5891861c927d

Author: iwoplaza

packages/react-native/Libraries/Animated/AnimatedExports.js.flow

@@ -24,6 +24,8 @@ export {default as Node} from './nodes/AnimatedNode';
 export {default as Value} from './nodes/AnimatedValue';
 export {default as ValueXY} from './nodes/AnimatedValueXY';
 
+export type {AnimatedValueConfig as AnimatedConfig} from './nodes/AnimatedValue';
+
 export const add = AnimatedImplementation.add;
 export const attachNativeEvent = AnimatedImplementation.attachNativeEvent;
 export const createAnimatedComponent =

packages/react-native/Libraries/Animated/useAnimatedValue.js

@@ -8,14 +8,12 @@
  * @format
  */
 
-import type {AnimatedValueConfig} from './nodes/AnimatedValue';
-
 import Animated from './Animated';
 import {useRef} from 'react';
 
 export default function useAnimatedValue(
   initialValue: number,
-  config?: ?AnimatedValueConfig,
+  config?: ?Animated.AnimatedConfig,
 ): Animated.Value {
   const ref = useRef<null | Animated.Value>(null);
   if (ref.current == null) {

packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap

@@ -172,6 +172,7 @@ export { default as Interpolation } from \\"./nodes/AnimatedInterpolation\\";
 export { default as Node } from \\"./nodes/AnimatedNode\\";
 export { default as Value } from \\"./nodes/AnimatedValue\\";
 export { default as ValueXY } from \\"./nodes/AnimatedValueXY\\";
+export type { AnimatedValueConfig as AnimatedConfig } from \\"./nodes/AnimatedValue\\";
 declare export const add: $FlowFixMe;
 declare export const attachNativeEvent: $FlowFixMe;
 declare export const createAnimatedComponent: $FlowFixMe;
@@ -1006,7 +1007,7 @@ exports[`public API should not change unintentionally Libraries/Animated/useAnim
 exports[`public API should not change unintentionally Libraries/Animated/useAnimatedValue.js 1`] = `
 "declare export default function useAnimatedValue(
   initialValue: number,
-  config?: ?AnimatedValueConfig
+  config?: ?Animated.AnimatedConfig
 ): Animated.Value;
 "
 `;

scripts/build/build-types/buildTypes.js

@@ -29,6 +29,7 @@ const ENTRY_POINTS = [
   'packages/react-native/Libraries/ActionSheetIOS/ActionSheetIOS.js',
   'packages/react-native/Libraries/Alert/Alert.js',
   'packages/react-native/Libraries/Animated/Animated.js',
+  'packages/react-native/Libraries/Animated/useAnimatedValue.js',
   'packages/react-native/Libraries/AppState/AppState.js',
   'packages/react-native/Libraries/BatchedBridge/NativeModules.js',
   'packages/react-native/Libraries/Blob/Blob.js',