Tests: Add Sniper 3D trace Test: angle_perftest --gtest_filter="*sniper_3d*" TBR: jmadill@google.com,timvp@google.com Bug: angleproject:5618 Change-Id: Ie190dea3d5f233fb7f7ed2b10aaab939da4b374e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2676790 Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com>