3D support based on work from ancheng.qiao@arm.com.

Test: Manhattan mid-execution capture working
Bug: angleproject:4058
Bug: angleproject:4091
Change-Id: I7f8b8542fbc1f3484a2451850db0dc752c0b8906
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2070899
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>