Bug 553598 part2 - Fire a new EmptinessChanged event from Tree after

first addition or last removal of a TreeItem
- Fixed the bundle version for new API and added API filter for
SWT.EmptinessChanged

Change-Id: I9ef5dd5d9ddc5b41bad4f4bb50a2013b8c522505
Signed-off-by: Niraj Modi <[email protected]>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/185719
Tested-by: Platform Bot <[email protected]>

Author: niraj-modi

bundles/org.eclipse.swt/.settings/.api_filters

@@ -248,6 +248,14 @@
             </message_arguments>
         </filter>
     </resource>
+    <resource path="Eclipse SWT/common/org/eclipse/swt/SWT.java" type="org.eclipse.swt.SWT">
+        <filter comment="EmptinessChanged" id="336658481">
+            <message_arguments>
+                <message_argument value="org.eclipse.swt.SWT"/>
+                <message_argument value="EmptinessChanged"/>
+            </message_arguments>
+        </filter>
+    </resource>
     <resource path="Eclipse SWT/common/org/eclipse/swt/events/ArmListener.java" type="org.eclipse.swt.events.ArmListener">
         <filter id="576720909">
             <message_arguments>

bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/SWT.java

@@ -1030,7 +1030,7 @@ public class SWT {
 	 * set to 1).
 	 * </p>
 	 *
-	 * @since 4.22
+	 * @since 3.118
 	 */
 	public static final int EmptinessChanged = 56;