Port 2 Canvas fuzzers to oss-fuzz


Bug: skia:
Change-Id: I0d34bfff4a53f831986614844bdc955935f28501
Reviewed-on: https://skia-review.googlesource.com/115582
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
3 files changed