Class Managed is package private, so made addBean(Object, Managed)

private because no code outside of jetty-util could call that method.

Signed-off-by: Simone Bordet <simone.bordet@gmail.com>

Author: sbordet

jetty-util/src/main/java/org/eclipse/jetty/util/component/ContainerLifeCycle.java

@@ -331,7 +331,7 @@ public boolean addBean(Object o, boolean managed)
         return addBean(o, managed ? Managed.POJO : Managed.UNMANAGED);
     }
 
-    public boolean addBean(Object o, Managed managed)
+    private boolean addBean(Object o, Managed managed)
     {
         if (o == null || contains(o))
             return false;