... to make real world protector invalidations measurable.

Chromium CL: https://crrev.com/c/2149324

Drive-by: Add missing newline in protector tracing.
Drive-by: Consistent naming for the regexp species protector.

Bug: v8:9496
Change-Id: I3c7238aa8024e03ea9e89daf83345b8ec4f0d768
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2149428Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67149}