8282166: JDK-8282158 changed ECParameters' package by accident

Reviewed-by: xuelei

Author: John Jiang

src/java.base/share/classes/sun/security/util/ECParameters.java

@@ -23,7 +23,7 @@
  * questions.
  */
 
-package java.security;
+package sun.security.util;
 
 import java.io.IOException;