Remove invalid from the list of opaque types.

This wasn't meaningful, and made some error reporting worse.

Change-Id: I5e72b5aca5d3e159b8439fa9809290d75e44cbe2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/472656
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
3 files changed