check for isScreenReaderFocusable and hasHint

adding check on hintText in hasText method
the "hint text" for EditText's also counts as content, as it's still announced when the EditText has no text or contentDescription.
See Talkbacks implementation here for reference:
https://github.com/google/talkback/blob/6c0b475b7f52469e309e51bfcc13de58f18176ff/utils/src/main/java/com/google/android/accessibility/utils/AccessibilityNodeInfoUtils.java#L1663
#33690 (comment)

adding check for isScreenReaderFocusable in isAccessibilityFocusable
See Talkback's implementation here for reference:
https://github.com/google/talkback/blob/6c0b475b7f52469e309e51bfcc13de58f18176ff/utils/src/main/java/com/google/android/accessibility/utils/AccessibilityNodeInfoUtils.java#L1690
#33690 (comment)

ReactAndroid/src/main/java/com/facebook/react/uimanager/ReactAccessibilityDelegate.java

@@ -840,7 +840,9 @@ public static boolean isSpeakingNode(
   public static boolean hasText(@Nullable AccessibilityNodeInfoCompat node) {
     return node != null
         && node.getCollectionInfo() == null
-        && (!TextUtils.isEmpty(node.getText()) || !TextUtils.isEmpty(node.getContentDescription()));
+        && (!TextUtils.isEmpty(node.getText())
+            || !TextUtils.isEmpty(node.getContentDescription())
+            || !TextUtils.isEmpty(node.getHintText()));
   }
 
   /**
@@ -867,7 +869,7 @@ public static boolean isAccessibilityFocusable(
     }
 
     // Always focus "actionable" nodes.
-    return isActionableForAccessibility(node);
+    return node.isScreenReaderFocusable() || isActionableForAccessibility(node);
   }
 
   /**