Fix copypasta function documentation in ImageLoaderModule (#38029)

Summary:
Pull Request resolved: #38029

# Changelog:
[Internal] -

A trivial fix - I was looking into some deeper issues with `Image.prefetch`, noticed that code docs were copypasted and incorrect.

Reviewed By: cipolleschi

Differential Revision: D46959350

fbshipit-source-id: 4e4196f9399d91402d9b206c20f2bbd0d1d0eb2a

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/image/ImageLoaderModule.java

@@ -83,9 +83,9 @@ private ImagePipeline getImagePipeline() {
   /**
    * Fetch the width and height of the given image.
    *
-   * @param uriString the URI of the remote image to prefetch
-   * @param promise the promise that is fulfilled when the image is successfully prefetched or
-   *     rejected when there is an error
+   * @param uriString the URI of the remote image
+   * @param promise the promise that is fulfilled when operation successfully completed or rejected
+   *     when there is an error
    */
   @ReactMethod
   public void getSize(final String uriString, final Promise promise) {
@@ -139,10 +139,10 @@ protected void onFailureImpl(DataSource<CloseableReference<CloseableImage>> data
   /**
    * Fetch the width and height of the given image with headers.
    *
-   * @param uriString the URI of the remote image to prefetch
+   * @param uriString the URI of the remote image
    * @param headers headers send with the request
-   * @param promise the promise that is fulfilled when the image is successfully prefetched or
-   *     rejected when there is an error
+   * @param promise the promise that is fulfilled when operation successfully completed or rejected
+   *     when there is an error
    */
   @ReactMethod
   public void getSizeWithHeaders(