Bug 447897 - [visualizer] change access level for members in class
MulticoreVisualizerSelectionFinder

Change-Id: I09fb88e186198e4c6d1cd033ca6df3399ce16d6c
Reviewed-on: https://git.eclipse.org/r/35122
Reviewed-by: Marc Dumais <marc.dumais@ericsson.com>
Tested-by: Marc Dumais <marc.dumais@ericsson.com>