Standardizing how we enable request logs handler (knative#12118)

* make enabling request logs more recognizable

* fixes

cmd/queue/main.go

@@ -328,9 +328,11 @@ func buildServer(ctx context.Context, env config, healthState *health.State, pro
 
 	composedHandler = health.ProbeHandler(healthState, probeContainer, tracingEnabled, composedHandler)
 	composedHandler = network.NewProbeHandler(composedHandler)
-	// We might want sometimes capture the probes/healthchecks in the request
+	// We might sometimes want to capture the probes/healthchecks in the request
 	// logs. Hence we need to have RequestLogHandler to be the first one.
-	composedHandler = pushRequestLogHandler(logger, composedHandler, env)
+	if env.ServingEnableRequestLog {
+		composedHandler = requestLogHandler(logger, composedHandler, env)
+	}
 
 	return pkgnet.NewServer(":"+env.QueueServingPort, composedHandler)
 }
@@ -411,11 +413,7 @@ func buildMetricsServer(promStatReporter *queue.PrometheusStatsReporter, protobu
 	}
 }
 
-func pushRequestLogHandler(logger *zap.SugaredLogger, currentHandler http.Handler, env config) http.Handler {
-	if !env.ServingEnableRequestLog {
-		return currentHandler
-	}
-
+func requestLogHandler(logger *zap.SugaredLogger, currentHandler http.Handler, env config) http.Handler {
 	revInfo := &pkghttp.RequestLogRevision{
 		Name:          env.ServingRevision,
 		Namespace:     env.ServingNamespace,