Reland "Rename instanceAttribSupport -> drawInstancedSupport"

This is a reland of 17f05c737e44810cb043d781a9760b03f1cb719a

Original change's description:
> Rename instanceAttribSupport -> drawInstancedSupport
>
> Change-Id: I7d8ff8597849f2b910928867842857e25a12b4b1
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281582
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com

Change-Id: I2e15ac72d86747c30e71bb50d30da48a5a342772
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/282118
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
16 files changed