Implement Sk2f Load2

Bug: skia:
Change-Id: I7d37a76bcb9df9c5a1c22eb1b0277387816df7bb
Reviewed-on: https://skia-review.googlesource.com/120602
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
3 files changed