[language][functional tests] add fuzzing feature flag for dependency
[language][functional tests] add fuzzing feature flag for dependency

Closes: #4260
Approved by: sunshowers

aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra