Disable platform trace events by default, except Chromium build Observed overhead in perf builds is too significant, some workloads generate thousands of events per second. There does not seem to be a simple way to get around the overhead - it could be somewhat reduced but the event rate is just too high. ANGLE_TRACE_EVENT*(...) etc become a no-op by default. Can be re-enabled with angle_enable_platform_trace_events=true gn arg Bug: angleproject:404542398 Change-Id: I8d7363ee28d22226f1860e24f2399bb4129cfb84 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6419308 Commit-Queue: Roman Lavrov <romanl@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Feels: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com>