Tests: Add GFXBench Driver Overhead 2 trace Bug: angleproject:7249 Test: angle_perftests --gtest_filter="*driver_overhead_2*" Change-Id: I29af5cd4afa442b223968f68ec24cd72a7b5bf90 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3615612 Auto-Submit: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>