[cti] Set EXIT_CODE based on pod_status
[cti] Set EXIT_CODE based on pod_status

Closes: #3126
Approved by: andll

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