aquilescanta 7375fe3105 Simplify network-related error codes
This change removes ERROR_CODE_IO_NETWORK_UNAVAILABLE,
ERROR_CODE_IO_NETWORK_CONNECTION_CLOSED, and ERROR_CODE_IO_DNS_FAILED
in favor of keeping only ERROR_CODE_IO_NETWORK_CONNECTION_FAILED.

PiperOrigin-RevId: 388715972
2021-08-04 18:47:32 +01:00
..
2021-06-30 13:32:43 +01:00
2021-08-04 18:47:32 +01:00