Tests: Add Grimvalor trace Test: angle_trace_tests --gtest_filter="*grimvalor*" Bug: angleproject:7787 Change-Id: I87768d0ca0fd97bc1239841dacdf6f7ae62e588d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3976065 Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com> Auto-Submit: Cody Northrop <cnorthrop@google.com>