[fuzz] Copy crashing outputs before failing

Also try to avoid lots of purple timeouts until
https://github.com/google/oss-fuzz/issues/4548
is fixed

Change-Id: I6a98352b3f5a583a137f915a4c3adf6954a35777
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/328989
Reviewed-by: Eric Boren <borenet@google.com>
1 file changed