Changes

Bug 575843 - Handle arrows/annotations in CallStackProvider#fetchTooltip

Return an empty map instead if the fetchTooltip method is called for an
arrow or annotation object.

[Fixed] Bug 575843 - Handle arrows/annotations in callstack fetchTooltip

Change-Id: I6a1e5a6cbd0805be0f27f3bb7d775b117a4e2a34
Signed-off-by: Bernd Hufmann <Bernd.Hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/185062
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>