[op] Make TCPNonBlockingConnectClose more reasonable.
[op] Make TCPNonBlockingConnectClose more reasonable.

This test single handedly causes the syscalls:socket_inet_loopback_test test
variants to take more than an hour to run on some of our testing environments.

Reduce how aggressively this test tries to replicate a fixed flake. This is a
regression test.

PiperOrigin-RevId: 382849039

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor