Tests: Add a common framebuffer config for perf tests As we add traces tests, some were recorded expecting depth as an attachment to framebuffer 0. This causes errors when they unconditionally query info about depth attachments. Since perf tests have never requested a config before (they are all DONT_CARE for each componenent), go ahead and set one shared by all. Test: angle_perftests Bug: b/157158456 Change-Id: I83ef1a58f246bfbc98c3bc7e024aca01560107f7 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2210966 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>