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/OdaDataSetHandle.java
* 
	 * @return the query text.
	 */
	public String getQueryText( )
	{
		return getStringProperty( OdaDataSet.QUERY_TEXT_PROP );
	}
	/**
	 * Returns the data set type.
	 * 
	 * @deprecated type has been replaced by extension ID
	 * @return the data set type
	 */
	public String getType( )
	{
		return null;
	}
	/**
	 * Returns the result set name.
	 * 
	 * @return the result set name
	 */
	public String getResultSetName( )
	{
		return getStringProperty( OdaDataSet.RESULT_SET_NAME_PROP );
	}
	/**
	 * Sets the private driver design state.
	 * 
	 * @param state