draw vertices: rename textures -> texCoords

Bug=skia:11822

Change-Id: I97c74658eb46704ba6d3b1ea2aa53f76eb869241
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/429416
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed