tmf: Add a column in the statistics view

tmf: Add a column in the statistics view

Bug 383246: Add a column for statistics only in the visible window

Change-Id: Ic619c3297f815052e6c90fee7bc87097986fe6ef
Signed-off-by: Mathieu Denis <mathieu.denis@polymtl.ca>
Reviewed-on: https://git.eclipse.org/r/6984
Reviewed-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
IP-Clean: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Tested-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Reviewed-by: Bernd Hufmann <bhufmann@gmail.com>
IP-Clean: Bernd Hufmann <bhufmann@gmail.com>
Tested-by: Bernd Hufmann <bhufmann@gmail.com>
Reviewed-by: Francois Chouinard <fchouinard@gmail.com>
IP-Clean: Francois Chouinard <fchouinard@gmail.com>
Tested-by: Francois Chouinard <fchouinard@gmail.com>