The macro was introducing an additional scope that was not the
scope we intend to trace.

Test: ./external/chromium-trace/systrace.py -t 10 -o /tmp/maps.html -a com.google.android.apps.maps gfx sched freq idle am wm gfx view sync irq binder_driver
Examine trace for markers and verify they are expected size.

Bug: angleproject:3176
Change-Id: I593b8685c5e72a844bebec4b98e1373110a235ad
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1492012
Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com>
Reviewed-by: Jamie Madill <jmadill@google.com>