Make setVertexAttribs in GrDrawState take a stride parameter.

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/af013bf8afc4c77ab8ff230f536e2ade973427fa

R=bsalomon@google.com

Author: egdaniel@google.com

Review URL: https://codereview.chromium.org/511593004
17 files changed