Also fixes the missing RenderPass count in the new command recorder.

Bug: angleproject:4029
Change-Id: If7f0cf9e80ef815781ad2684ad1d93a3ed4912ad
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2037786Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tobin Ehlis <tobine@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>