avoid using key 24 and use key 99

Author: fabOnReact

ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java

@@ -53,7 +53,7 @@ public class TextAttributeProps {
   public static final short TA_KEY_IS_HIGHLIGHTED = 20;
   public static final short TA_KEY_LAYOUT_DIRECTION = 21;
   public static final short TA_KEY_ACCESSIBILITY_ROLE = 22;
-  public static final short TA_KEY_ACCESSIBILITY_UNIT = 24;
+  public static final short TA_KEY_ACCESSIBILITY_UNIT = 99;
 
   public static final int UNSET = -1;