advanced_api_fuzzer: add extreme config value coverage
advanced_api_fuzzer: add extreme config value coverage

this enables cases that might trigger overflows, but increases the risk
of OOM and timeouts

Bug: chromium:1196850
Change-Id: I317b5109525646731e762faa3c34ed28a27595dc

webmproject/libwebp,webmproject/libwebp,webmproject/libwebp,PKRoma/libwebp,PKRoma/libwebp,PKRoma/libwebp,webmproject/libwebp,PKRoma/libwebp,webmproject/libwebp,PKRoma/libwebp,PKRoma/libwebp