Revert "Revert "Make TessellatingPathOp be a non-legacy GrMeshDrawOp""

This reverts commit 7343c197fc91c6cedc019dd5fed69969a5d317ca.

The initial revert was because the random test factory was choosing msaa as the aatype when the render target was not msaa, triggering and assert.

Bug: skia:
Change-Id: I1bfec86492b69af1101c65d249140af804c16684
Reviewed-on: https://skia-review.googlesource.com/22203
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2 files changed