Fixing type flow errors

https://app.circleci.com/pipelines/github/facebook/react-native/12283/workflows/5d591d36-f972-4b3d-92b6-cf68d7d54fd4/jobs/237717

Libraries/Components/View/ViewPropTypes.js

@@ -432,6 +432,22 @@ export type ViewProps = $ReadOnly<{|
    */
   accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
 
+  /**
+   * Prop used internally to announce with TalkBack rows and columns of a FlatList
+   * See https://bit.ly/3viYSh8
+   *
+   * @platform android
+   *
+   */
+  accessibilityCollectionItem?: ?{
+    rowIndex: number,
+    rowSpan: number,
+    columnIndex: number,
+    columnSpan: number,
+    heading: boolean,
+    itemIndex: number,
+  },
+
   /**
    * Specifies the nativeID of the associated label text. When the assistive technology focuses on the component with this props, the text is read aloud.
    *

Libraries/Lists/FlatList.js

@@ -667,13 +667,10 @@ class FlatList<ItemT> extends React.PureComponent<Props<ItemT>, void> {
   };
 
   _getAccessibilityCollection = () => {
-    const _getItemCountInternal = (data: any): number => {
-      return this._getItemCount(data);
-    };
-
     const accessibilityCollectionProps = {
       itemCount: this.props.data ? this.props.data.length : 0,
-      rowCount: _getItemCountInternal(this.props.data),
+      //$FlowFixMe[incompatible-call]
+      rowCount: this._getItemCount(this.props.data),
       columnCount: numColumnsOrDefault(this.props.numColumns),
       hierarchical: false,
     };