Use image deserial proc in debugger

Without this, the debugger won't have access to any codecs
and won't be able to showed image data saved in .skps.

Change-Id: I909f7769418a0bb03bd64df9b49a92fa68992e03
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/853883
Auto-Submit: Kaylee Lubick <kjlubick@google.com>
Commit-Queue: Kaylee Lubick <kjlubick@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
1 file changed