[M59] Validate SkSpecialSurface raster info

[M59] Validate SkSpecialSurface raster info

Cherry-pick https://skia-review.googlesource.com/c/15230/

BUG=chromium:716311
NOTREECHECKS=true
NOTRY=true
NOPRESUBMIT=true
Change-Id: I01ea2e77ba8920f735395dd46ef2cea78a858308
Reviewed-On: https://skia-review.googlesource.com/15230
Reviewed-By: Mike Reed <reed@google.com>
Reviewed-By: Robert Phillips <robertphillips@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-on: https://skia-review.googlesource.com/16906
Reviewed-by: Florin Malita <fmalita@chromium.org>