[Telemetry] Fix misleading output log in story_filter.
[Telemetry] Fix misleading output log in story_filter.

R=1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org

Bug: chromium:965158
Change-Id: Id1e408c3b4ad49904d75f9c1189102917a142ff0
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/1938457
Auto-Submit: Caleb Rouleau <58bdb6276c01e3ed53e660bf706aa902204feb0d@chromium.org>
Reviewed-by: Juan Antonio Navarro Pérez <1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org>
Commit-Queue: Juan Antonio Navarro Pérez <1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult