Inside V8 the TraceID class sits in v8::internal::tracing instead of
trace_event_internal namespace (as in Chrome).

Bug: v8:8834
Change-Id: I9464e6145c4fd4c794ac3f50052a5fa1b068aeed
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1535834
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60421}