Rename TransformedMaskVertexFiller -> VertexFiller

Bug: skia:14150
Change-Id: Ia608ddfb037ca975b8bb82867496c4a4ec3a6465
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/651019
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed