Replace the indirect patch tessellator with fixed count

Bug: skia:10419
Change-Id: Icb3395565060d736624d03ba1465926bd9188e44
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/416078
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
12 files changed