Make GrFillRectOp::onPrePrepareDraws also call base class' version

and add a TriangulatingPathOp::onPrePrepareDraws shell.

Bug: 1108408
Change-Id: Ifc5e80c08ffaa47927d1691c0a8dd52db24adcd0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/328597
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2 files changed