Sample/Patch: use resources; cleanup code

Change-Id: I8450193a6033e8b4262c1f23929a9b3d964a785a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225550
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
1 file changed