TMF: Specify if an analysis applies differently to an experiment

TMF: Specify if an analysis applies differently to an experiment

Add a 'apply_experiment' to analysis extension for analysis who have different
results for experiments containing their trace types than for the individual
traces. The result of the experiment analysis is more than the aggregation of
the traces' analyses.

Change-Id: I18122a26bb680fb2b240c98a4757f1bcce71b525
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Reviewed-on: https://git.eclipse.org/r/38446
Reviewed-by: Hudson CI