Bug 580843: Fix CoreException at startup

Adding a default constructor to OpenTracingExperiment fixes this issue.

[Fixed] Fix CoreException at startup

Change-Id: I5b5577b9ed756db3a1e33804272c4ab8a361c2c9
Signed-off-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/196136
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-by: Patrick Tasse <patrick.tasse@gmail.com>

tracetypes/org.eclipse.tracecompass.incubator.opentracing.core/src/org/eclipse/tracecompass/incubator/internal/opentracing/core/trace/OpenTracingExperiment.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2018 Ericsson
+ * Copyright (c) 2018, 2022 Ericsson
  *
  * All rights reserved. This program and the accompanying materials are
  * made available under the terms of the Eclipse Public License 2.0 which
@@ -25,6 +25,13 @@
  */
 public class OpenTracingExperiment extends TmfExperiment {
 
+    /**
+     * Default Constructor
+     */
+    public OpenTracingExperiment() {
+        super();
+    }
+
     /**
      * Constructor of an open tracing experiment
      *