[Ozone] Fix InputControllerEvdev::HasTouchpad()

BUG=454562
TEST=Manual, see bug

Review URL: https://codereview.chromium.org/864123004

Cr-Commit-Position: refs/heads/master@{#314335}

ui/events/ozone/evdev/input_device_factory_evdev.cc

@@ -430,7 +430,7 @@ void InputDeviceFactoryEvdev::NotifyDeviceChange(
     NotifyMouseDevicesUpdated();
 
   if (converter.HasTouchpad())
-    NotifyMouseDevicesUpdated();
+    NotifyTouchpadDevicesUpdated();
 }
 
 void InputDeviceFactoryEvdev::NotifyTouchscreensUpdated() {