Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/AbstractCrosstabModelTask.java
assert levelView.isInnerMost( )
					|| levelView.getAggregationHeader( ) != null;
			for ( int j = 0; j < crosstab.getMeasureCount( ); j++ )
			{
				MeasureViewHandle measureView = crosstab.getMeasure( j );
				validateMeasure( measureView,
						levelView,
						axisType,
						counterAxisAggregationLevels );
			}
		}
		
		
		if ( crosstab.getGrandTotal( axisType ) != null
				|| crosstab.getDimensionCount( axisType ) == 0 )
		{
			for ( int j = 0; j < crosstab.getMeasureCount( ); j++ )
			{
				MeasureViewHandle measureView = crosstab.getMeasure( j );
				validateMeasure( measureView,
						null,
						axisType,
						counterAxisAggregationLevels );
			}
		}
	}
	/**
	 * AggregationInfo
	 */
	class AggregationInfo