Convert GrMatrixEffect to pure CPP/H

Prelude to adding situational optimizations

Change-Id: Ie7994a87380ba6135398c9a1d4b26cea6bf32fa8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/292972
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
9 files changed