One binary serialization path for SkSamplingOptions

Bug: skia:13036
Change-Id: I31ccc3d1cfb271a2c2000476b91a695390cef4a6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/526518
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
19 files changed