Fix Consumer.fromJavaConsumer and Producer.fromJavaProducer type signatures
#2747
| Job | Run time |
|---|---|
| 1m 23s | |
| 1m 13s | |
| 1m 22s | |
| 1m 36s | |
| 1m 40s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 7m 14s |