Bug 172765 [DataBinding] Consistency when registering property change listeners
bundles/org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/internal/beans/ListenerSupport.java
try {
			addPropertyChangeListenerMethod = target.getClass().getMethod(
					"addPropertyChangeListener", 
					new Class[] { PropertyChangeListener.class });
		} catch (SecurityException e) {
			
		} catch (NoSuchMethodException e) {
			
		}
		if (addPropertyChangeListenerMethod != null) {
			try {
				if (!addPropertyChangeListenerMethod.isAccessible()) {
					addPropertyChangeListenerMethod.setAccessible(true);
				}
				addPropertyChangeListenerMethod.invoke(target,
						new Object[] { listener });
				elementsListenedTo.add(new IdentityWrapper(target));
				return;
			} catch (IllegalArgumentException e) {
				
			} catch (IllegalAccessException e) {
				
			} catch (InvocationTargetException e) {
				
			}
		}
	}
		
	/**
	 * Add listeners for new targets (those this instance of<code>ListenerSupport</code> does not