Use bounded AAudio write pacing in probe and trace audio controls

tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt

@@ -273,6 +273,8 @@ object CallController : TelecomCallManager.Listener {
     }
 
     private fun routeChanged(route: AudioRoute, headset: Boolean) {
+        if (_route.value != route || _headset.value != headset) LogManager.addLog("INFO", "Call",
+            "audio controls id=${_state.value?.callId} route=$route headset=$headset")
         _route.value = route
         _headset.value = headset
         if (route != AudioRoute.EARPIECE) videoSpeakerPending = false