Fix: JUL to enable user and root tracepoints

This is needed to support the LTTng JUL agent to connect to both user
and root session daemon, we have to enable different tracepoint for the
two cases in order to avoid duplicating the trace payload in both the
user and root trace output.

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

Conflicts:
	src/bin/lttng-sessiond/lttng-sessiond.h
	src/bin/lttng-sessiond/main.c