Broken woff2 build

[Dor1s]

https://oss-fuzz-build-logs.storage.googleapis.com/index.html

Step #40: ++ sancov -print-coverage-pcs /workspace/out/address/convert_woff2ttf_fuzzer_new_entry
Step #40: ++ wc -l
Step #40: + local NUMBER_OF_EDGES=0
Step #40: + ((  0 < 90  ))
Step #40: + echo 'BAD BUILD: the code does not seem to have coverage instrumentation.'
Step #40: + CHECK_FAILED=1
Step #40: + ((  1 > 0  ))
Step #40: + exit 1
Step #40: BAD BUILD: the code does not seem to have coverage instrumentation.

[Dor1s]

Issue with a honggfuzz build (the same as #829). I guess I should disable bad build check for non-libFuzzer builds.

[Dor1s]

As honggfuzz is not fully integrated at this point, we shouldn't mark a build as broken if only honggfuzz version has some issues. Will be skipping bad build checks for honggfuzz.