Test all YUVA image factories with different encoded origins.

Now that SkImage_GpuYUVA stores a GrYUVATextureProxies it supports
encoded origins.

Modify wacky_yuv_format GMs to use different origins and remove
restriction in SkImage::MakeFromYUVAPixmaps.

Bug: skia:10632
Change-Id: I02477d592b7baba164944d629eeac48223698c10
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/353623
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2 files changed