infra: let honggfuzz verify crashes (#7850)
infra: let honggfuzz verify crashes (#7850)

to make it easier to catch issues like
https://github.com/google/honggfuzz/issues/465.

With -V when unreproducible crashes are triggered honggfuzz shows something like
```
[2022-06-10T15:21:12+0000][W][2373157] subproc_checkTimeLimit():532 pid=2374490 took too much time (limit 30 s). Killing it with SIGKILL
Sz:280 Tm:30,021,052us (i/b/h/e/p/c) New:0/0/0/0/0/3, Cur:0/0/0/0/0/591
Launching verifier for HASH: 1b859677dd (iteration: 1 out of 5)
[2022-06-10T15:21:13+0000][E][2373157] fuzz_runVerifier():280 Verifier stack mismatch: (original) 1b859677dd != (new) 0
```
robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz,robertswiecki/oss-fuzz,robertswiecki/oss-fuzz,google/oss-fuzz,skia-dev/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz,google/oss-fuzz,google/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,robertswiecki/oss-fuzz,google/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz,google/oss-fuzz,skia-dev/oss-fuzz,skia-dev/oss-fuzz,skia-dev/oss-fuzz,robertswiecki/oss-fuzz,google/oss-fuzz,skia-dev/oss-fuzz,google/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz,robertswiecki/oss-fuzz,skia-dev/oss-fuzz