Added the ability to set the entire matrix at once

Prior to this CL, the only/typical way to set the matrix was by
16 set() operations, which is slower now that typeMask is not
lazily computed.

Bug: 950253
Change-Id: I72176891068c90f247475deb8e946a8bb4ced7d5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206346
Auto-Submit: Mason Freed <masonfreed@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2 files changed