Tracing: Fix handling of expandedRowHeightChanged signal

I missed to add the parameters to the signature of the signal handler
function.

Amends 15e4ac3377

Change-Id: I5b260007643105e47f1336623cd7fcd767293bd3
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/libs/tracing/qml/TimeMarks.qml

@@ -70,7 +70,7 @@ Item {
 
     Connections {
         target: model
-        function onExpandedRowHeightChanged() {
+        function onExpandedRowHeightChanged(row, height) {
             if (model && model.expanded && row >= 0)
                 rowRepeater.itemAt(row).height = height;
         }