The traces are already updated to contain the Reset calls, now
actually call them from TracePerfTests.

Test: angle_perftests --gtest_filter="*Trace*"
Bug: b/152512564
Bug: angleproject:4599
Change-Id: I18b6726bc98b96f132c3245c51420cbfed1b84d8
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2197284Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Commit-Queue: Cody Northrop <cnorthrop@google.com>