Can dramatically reduce latency for small test runs.
Requires: https://github.com/gpuweb/cts/pull/2167
Change-Id: Ib5ff5d0fbcaf151ffe67bf30e97c9ccdf34443e0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117200
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Ben Clayton <bclayton@google.com>