Fix SkImage_GpuYUVA::onReinterpretColorSpace

This was behaving like makeColorSpace, and still applying a conversion.

Change-Id: Idd15c3aed9bd5afe38d04c1f47d01ccf838f9b7a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/655756
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2 files changed