update tool to sniff images during deserialization

Bug: skia:
Change-Id: I0162225772a5fe9849d3d51b2d1dd5d67c606097
Reviewed-on: https://skia-review.googlesource.com/113212
Reviewed-by: Leon Scroggins <scroggo@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed