fix-types in Refresh control (#53907)

Summary:
Fixes #53893
The size should be of type string (large or default) . Typescript says number

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[GENERAL][FIXED] Fixed Types in Refresh control

Pull Request resolved: #53907

Test Plan: N/A

Reviewed By: javache

Differential Revision: D83161286

Pulled By: arushikesarwani94

fbshipit-source-id: 4e557bc3780f297551b913c5c763c369cf3e374c

Author: riteshshukla04

packages/react-native/Libraries/Components/RefreshControl/RefreshControl.d.ts

@@ -49,7 +49,7 @@ export interface RefreshControlPropsAndroid extends ViewProps {
   /**
    * Size of the refresh indicator, see RefreshControl.SIZE.
    */
-  size?: number | undefined;
+  size?: 'default' | 'large' | undefined;
 }
 
 export interface RefreshControlProps