add --no-os-network-stats-reporting option (backport #21296) (#21303)

* add --no-os-network-stats-reporting option (#21296)

(cherry picked from commit d5de0c8e12)

# Conflicts:
#	core/src/system_monitor_service.rs
#	ledger-tool/src/main.rs
#	validator/src/main.rs

* resolve merge conflicts

Co-authored-by: Jeff Biseda <jbiseda@gmail.com>

core/src/system_monitor_service.rs

@@ -95,12 +95,12 @@ pub fn verify_udp_stats_access() -> Result<(), String> {
 }
 
 impl SystemMonitorService {
-    pub fn new(exit: Arc<AtomicBool>) -> Self {
+    pub fn new(exit: Arc<AtomicBool>, report_os_network_stats: bool) -> Self {
         info!("Starting SystemMonitorService");
         let thread_hdl = Builder::new()
             .name("system-monitor".to_string())
             .spawn(move || {
-                Self::run(exit);
+                Self::run(exit, report_os_network_stats);
             })
             .unwrap();
 
@@ -173,21 +173,19 @@ impl SystemMonitorService {
         );
     }
 
-    pub fn run(exit: Arc<AtomicBool>) {
+    pub fn run(exit: Arc<AtomicBool>, report_os_network_stats: bool) {
         let mut udp_stats = None;
-
         let mut now = Instant::now();
         loop {
             if exit.load(Ordering::Relaxed) {
                 break;
             }
-
             if now.elapsed() >= SAMPLE_INTERVAL {
                 now = Instant::now();
-
-                SystemMonitorService::process_udp_stats(&mut udp_stats);
+                if report_os_network_stats {
+                    SystemMonitorService::process_udp_stats(&mut udp_stats);
+                }
             }
-
             sleep(SLEEP_INTERVAL);
         }
     }