add op array32 for indirect uniform access

Change-Id: I6249594a2348c7b24e4f057cce2f4e8a6a2c4409
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/431676
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
4 files changed