Bug 133776 Oda DesignerState support on OdaDataSource
OdaDataSet supported Oda DesignerState. This feature is also need in OdaDataSource. Please add OdaDesignerState property to OdaDataSource element in ROM. Make the related changes.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/OdaDataSourceHandle.java
implements
			IOdaDataSourceModel, IOdaExtendableElementModel
{
	/**
	 * Constructs an extended data source handle with the given design and the
	 * element. The application generally does not create handles directly.
	 * Instead, it uses one of the navigation methods available on other element
	 * handles.
	 * 
	 * @param module
	 *            the module
	 * @param element
	 *            the model representation of the element
	 */