Changes

target: Update target to match TraceCompass's

Also update the main pom.xml to fix the jacoco agent for unit tests.

Change-Id: I134745fce95e2d4db8e804e8e4033d99cce8f90e
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/169918
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>