clang-tidy: bugprone-virtual-near-miss

A few virtual functions are called by constructors or destructors, which is
dangerous in C++ (as an overridden virtual impl won't be called, only the
one in the current class).  Fix by either marking the function final or
not calling at all (if possible).

wpilibc/src/main/native/include/frc/AnalogGyro.h

@@ -172,16 +172,16 @@ class AnalogGyro : public GyroBase {
    * significant drift in the gyro and it needs to be recalibrated after it has
    * been running.
    */
-  void Reset() override;
+  void Reset() final;
 
   /**
    * Initialize the gyro.
    *
    * Calibration is handled by Calibrate().
    */
-  virtual void InitGyro();
+  void InitGyro();
 
-  void Calibrate() override;
+  void Calibrate() final;
 
   /**
    * Gets the analog input for the gyro.