more careful rrect deserialization

These radii are treacherous.
Added a regression test derived from the path found by the fuzzer.

Bug: chromium:1111169
Change-Id: I92fde0c31057ea8adc864336438c0af2869b0374
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309306
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Reed <reed@google.com>
2 files changed