7021693: [ja, zh_CN] jconsole throws exception and fail to start in ja and zh_CN locales

Reviewed-by: ogino

src/share/classes/sun/tools/jconsole/resources/JConsoleResources_ja.java

@@ -44,7 +44,7 @@ import static java.awt.event.KeyEvent.*;
  * or if the keys ends with ".mnemonic", an element
  * representing a mnemomic keycode <code>int</code> or <code>char</code>.
  */
-public class JConsoleResources_ja extends ListResourceBundle {
+public class JConsoleResources_ja extends JConsoleResources {
 
     /**
      * Returns the contents of this <code>ResourceBundle</code>.

src/share/classes/sun/tools/jconsole/resources/JConsoleResources_zh_CN.java

@@ -44,7 +44,7 @@ import static java.awt.event.KeyEvent.*;
  * or if the keys ends with ".mnemonic", an element
  * representing a mnemomic keycode <code>int</code> or <code>char</code>.
  */
-public class JConsoleResources_zh_CN extends ListResourceBundle {
+public class JConsoleResources_zh_CN extends JConsoleResources {
 
     /**
      * Returns the contents of this <code>ResourceBundle</code>.