Capture/Replay: Fix unpack alignment inconsistency. We were checking the current value of the unpack alignment in the replay when we should have been comparing vs the set value in the context. Bug: angleproject:7816 Change-Id: Ib7e6ed785e07e06a7f55f4b727f640912b75b7a6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4139299 Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com> Auto-Submit: Jamie Madill <jmadill@chromium.org>