The Serial will help track active resources for filtering out
inactive setup calls in capture/replay.

Bug: angleproject:4223
Change-Id: I64ba50f27d656c12d45155dc735e9b6f9c04528f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1969062
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>