lisa.trace: Filter-out meta-events in FtraceCollector
lisa.trace: Filter-out meta-events in FtraceCollector

Since meta events cannot be queried directly in "trace-cmd start",
replace such events with the source events that will allow getting them.

credp/lisa,ARM-software/lisa,ARM-software/lisa,credp/lisa,credp/lisa,ARM-software/lisa,ARM-software/lisa,credp/lisa