[graphite] Add Transform that wraps matrix, inverse, type and scale factors

Transform.h is named Transform_graphite.h to avoid collision with
Transform.h in skottie/src

Bug: skia:12466
Change-Id: I017eee2bffe1a0aad605221e67540f732c2ee6b9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/459719
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
10 files changed