Enable respect_dns_ttl by default for xDS cluster (#1055)
#1414
| Job | Run time |
|---|---|
| 15m 41s | |
| 19m 55s | |
| 10m 8s | |
| 5m 52s | |
| 23m 3s | |
| 14m 7s | |
| 15m 7s | |
| 16m 19s | |
| 15m 4s | |
| 2h 15m 16s |