Requires that we update the TRACE_EVENT macros to accept a platform as
an argument. The refactor isn't complete. In order to finish we'd need
to ensure we have the Display's PlatformMethods available at all sites.

Unblocks adding trace events directly in the perf tests.

Bug: angleproject:1892
Bug: angleproject:3117
Change-Id: Iee0ca086ccfe23acab3fc186fb042f018711a94c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1664794
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>