Reland x2 "Drawing YUVA images does not flatten for bicubic."

With fix for dumb coord mistake.

This reverts commit 6cb8168c2b9b757110883a6974e45c7f76db228c.

Change-Id: If5385d16339c2b2b03eeff4ddd65c601e672d3dc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/278783
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
6 files changed