Capture/Replay: Limit GL_MAX_IMAGE_UNITS during capture Test: LEGO MEC Bug: b/161716126 Change-Id: I15e34bbeafe79c921ee01e99425555badad36fe4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2551538 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Cody Northrop <cnorthrop@google.com>