.. to distinguish between Maglev and Turbofan targets. Also move one
tracing function to tiering-manager. We may want to move all
--trace-opt code into one place in the future (it's currently split
between here and compiler.cc).

Bug: v8:7700
Change-Id: I9756460124b14fc3213296d083071f338421966a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3500612
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79332}