Remove create function in proxyProvider that takes a raster SkImage.

Instead in proxyProvider we just have a create a bitmap call which
does no special fallback or logic. All the callers now go through
GrBitmapTextureMaker which handles and special fallbacks or caching
support that we need.

Change-Id: I71bb896cc78f64f9d6d54b54af2490d48e0f5af5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/266842
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
39 files changed