Add CubicResampler to makeShader

Only works on raster backend for the now.

Bug: skia:10344
Change-Id: I2c82d5345ae83a2bb2744ab27e3d971c57ea989e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303271
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
7 files changed