Use GrSurface::setRelease helper that creates ref-counted wrapper

Change-Id: Ic748ee18d6cdf7d7b83a89ad6ec580be96bc305b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/197769
Commit-Queue: Robert Phillips <robertphillips@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2 files changed