Fix: Add vpid, vppid and vtid info in add-context help

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
[HEAD MERGE] Disable JUL event on UST side

Signed-off-by: David Goulet <dgoulet@efficios.com>
[HEAD MERGE] Test: add JUL disable event tests

Signed-off-by: David Goulet <dgoulet@efficios.com>