Improve the output of SkEdge::dump() slightly

Include information about the curve type, and the actual last Y value
(which is different from fLastY for quads and cubics).

Change-Id: I6bc86422c827cf9e31d0769bef0f06fddded64bf
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/559403
Auto-Submit: Brian Osman <brianosman@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
2 files changed