ozone: evdev: Squelch some expected NOTIMPLEMENTEDs

These can cause noise in feedback reports.

BUG=481183

Review URL: https://codereview.chromium.org/1165133002

Cr-Commit-Position: refs/heads/master@{#333121}

ui/events/ozone/evdev/input_controller_evdev.cc

@@ -63,7 +63,7 @@ void InputControllerEvdev::SetCapsLockEnabled(bool enabled) {
 }
 
 void InputControllerEvdev::SetNumLockEnabled(bool enabled) {
-  NOTIMPLEMENTED();
+  // No num lock on Chrome OS.
 }
 
 bool InputControllerEvdev::IsAutoRepeatEnabled() {

ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.cc

@@ -398,7 +398,8 @@ void GestureInterpreterLibevdevCros::OnGestureMetrics(
                                  metrics->data[0],
                                  metrics->data[1],
                                  metrics->type);
-  NOTIMPLEMENTED();
+
+  // TODO(spang): Hook up metrics.
 }
 
 void GestureInterpreterLibevdevCros::DispatchChangedMouseButtons(