fix isTalkbackFocusable evaluation utils for flipper plugins

Summary: utils used by redblock and layout plugins were incorrectly checking node instead of childNode for listviews that have non-visible children

Reviewed By: nscoding

Differential Revision: D16897804

fbshipit-source-id: 8f62956c57568694db76030377552e43ce3a9216

android/src/main/java/com/facebook/flipper/plugins/inspector/descriptors/utils/AccessibilityEvaluationUtil.java

@@ -93,7 +93,7 @@ public class AccessibilityEvaluationUtil {
       try {
         ViewCompat.onInitializeAccessibilityNodeInfo(childView, childNode);
 
-        if (!node.isVisibleToUser()) {
+        if (!childNode.isVisibleToUser()) {
           continue;
         }