Move breadcrumb and inner-fan triangles out of PathCurveTessellator

The callsites output these triangles now. This removes the final
direct Ganesh dependency from the tessellator code.

Bug: skia:12524
Change-Id: Id0d16839ed35a2bd9a812b8747ca8669fac5bed8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/470196
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
12 files changed