Bug 211703 Support muti-view on report item.
As title described.
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/CrosstabReportItemTask.java
}
			}
			targetCrosstabView.getViewsProperty( ).add(
					clonedDimensionView.getModelHandle( ), targetIndex );
			
			if ( transferMeasureList.size( ) > 0
					&& clonedDimensionView.getLevelCount( ) > 0 )
			{
				addMeasureAggregations( clonedDimensionView
						.getLevel( clonedDimensionView.getLevelCount( ) - 1 ),
						transferMeasureList, transferFunctionList, false );
			}
			
			for ( int i = 0; i < clonedDimensionView.getLevelCount( ); i++ )
			{
				LevelViewHandle levelView = clonedDimensionView.getLevel( i );
				String levelName = levelView.getCubeLevelName( );
				if ( levelName == null )
				{
					continue;
				}
				if ( levelView.isInnerMost( ) )
				{
					
					
					if ( levelView.getAggregationHeaderProperty( )
							.getContentCount( ) > 0 )
					{
						levelView.getAggregationHeaderProperty( ).drop( 0 );
					}