[grpc][grpc_fuzzers] Fix for the crash reported in the bug 331840428 (#36389)

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Closes #36389

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36389 from sastryvp:fuzzer_331840428 818112d75d
PiperOrigin-RevId: 629331008

test/core/end2end/fuzzers/network_input.cc

@@ -506,8 +506,8 @@ Duration ScheduleConnection(
             Duration::NanosecondsRoundUp(
                 (q.slices.Length() * event_engine->max_delay_write()).count()));
   }
-  delay += Duration::Milliseconds(network_input.connect_delay_ms() +
-                                  network_input.connect_timeout_ms());
+  delay += Duration::Milliseconds(network_input.connect_delay_ms()) +
+           Duration::Milliseconds(network_input.connect_timeout_ms());
   event_engine->RunAfterExactly(
       Duration::Milliseconds(network_input.connect_delay_ms()),
       [event_engine, channel_args,