Controller: Make InAnalogMode() virtual

src/core/analog_joystick.cpp

@@ -20,6 +20,11 @@ ControllerType AnalogJoystick::GetType() const
   return ControllerType::AnalogJoystick;
 }
 
+bool AnalogJoystick::InAnalogMode() const
+{
+  return m_analog_mode;
+}
+
 void AnalogJoystick::Reset()
 {
   m_transfer_state = TransferState::Idle;