Mark java.time.InstantSource and java.time.Clock as thread safe.
#7075
| Job | Run time |
|---|---|
| 5m 19s | |
| 4m 43s | |
| 3m 37s | |
| 9m 47s | |
| 5m 1s | |
| 4m 23s | |
| 34s | |
| 2m 0s | |
| 35m 24s |