[graphite] Add failure mode to Recorder::snap

Bug: skia:12701
Change-Id: Ib7e52f26b31cfed8fb4da1929755035a69951ca5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/524220
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
19 files changed