8011123: serialVersionUID of java.awt.dnd.InvalidDnDOperationException changed in JDK8-b82

Reviewed-by: anthony, serb

src/share/classes/java/awt/dnd/InvalidDnDOperationException.java

@@ -36,7 +36,7 @@ package java.awt.dnd;
 
 public class InvalidDnDOperationException extends IllegalStateException {
 
-    private static final long serialVersionUID = 5156676500247816278L;
+    private static final long serialVersionUID = -6062568741193956678L;
 
     static private String dft_msg = "The operation requested cannot be performed by the DnD system since it is not in the appropriate state";