[fuzzing] Add SkParagraph to oss-fuzz.

Modeled after FuzzPathOp.

Bug: skia:10894
Change-Id: Iaa1b0f3a80044daa04fc11d1a7338d79685d504c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/366281
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Weston Tracey <westont@google.com>
4 files changed