Merge changes from topics "jank-tags-faas", "transition-finish-faas",...

Merge changes from topics "jank-tags-faas", "transition-finish-faas", "transition-type-faas" into udc-dev

* changes:
  Write start FINISHED_TRANSITIONS token when dumping aborted transition
  Dump jank tag to event log
  Dump the transition type in always on transition trace
  Dump finish time of transitions in transitions trace