Reland "Separate compressed and uncompressed texture functions"

This is a reland of 9acfb33ad8c6f5fc6097dff57c0de5e51ea590fd

Original change's description:
> Separate compressed and uncompressed texture functions
> 
> Change-Id: Iccf31e1e4dbebde8aab4bb9b57cfb0341bb05912
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/223802
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>

Change-Id: I9f212b7d34cf43216f7d2ec63b959b75fd6a71b3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/223992
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
31 files changed