Bug 201368 Support "Not In" operator in filter list
Description: After we support "IN" filter we should also support the "Not In" filter. Data part has already support the "Not In" filter, so hope model can support that operator in the filter operator list. Regards!
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/DesignChoiceConstants.java
public static final String ACTION_TARGET_FILE_TYPE_REPORT_DESIGN = "report-design"; 
	public static final String ACTION_TARGET_FILE_TYPE_REPORT_DOCUMENT = "report-document"; 
	/**
	 * actionBookmarkType -- target bookmark type
	 */
	public static final String CHOICE_ACTION_BOOKMARK_TYPE = "actionBookmarkType"; 
	public static final String ACTION_BOOKMARK_TYPE_BOOKMARK = "bookmark"; 
	public static final String ACTION_BOOKMARK_TYPE_TOC = "toc"; 
	/**
	 * autotextType -- type of auto text
	 */
	public static final String CHOICE_AUTO_TEXT_TYPE = "autoTextType"; 
	public static final String AUTO_TEXT_PAGE_NUMBER = "page-number"; 
	public static final String AUTO_TEXT_TOTAL_PAGE = "total-page"; 
	/**
	 * dataSetMode -- the mode to support data sets. Can be single data set and
	 */
	public static final String CHOICE_DATA_SET_MODE_TYPE = "dataSetMode"; 
	public static final String DATA_SET_MODE_SINGLE = "single"; 
	public static final String DATA_SET_MODE_MULTIPLE = "multiple"; 
	/**
	 * filterTarget -- filter target type.
	 */
	public static final String CHOICE_FILTER_TARGET = "filterTarget"; 
	public static final String FILTER_TARGET_DATA_SET = "DataSet"; 
	public static final String FILTER_TARGET_RESULT_SET = "ResultSet"; 
	/**
	 * View action --view action type.
	 */
	public static final String CHOICE_VIEW_ACTION = "viewAction";