Can help evaluate when scenes stress out the resource tracking in the
RenderPass command buffer.

Bug: angleproject:4950
Bug: angleproject:4965
Change-Id: I7da2ad0101a840c5441f2112db4bb61f564afcef
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358521
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>