Cache tessellation metadata between inset/outset calls

Change-Id: I1fb4807ab80dad9a02e9e236d43b3f2be7511412
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/251769
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
2 files changed