Make AAHairlineOp a non-legacy GrDrawMeshOp

Change-Id: I814c696e38c685a294f9696984612807bc94b43d
Reviewed-on: https://skia-review.googlesource.com/21862
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2 files changed