Rename our allwpilib (which is now 2020) to not have 2019 in the name

Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/wpilibc/src/main/native/cpp/Servo.cpp b/wpilibc/src/main/native/cpp/Servo.cpp
new file mode 100644
index 0000000..4b6856a
--- /dev/null
+++ b/wpilibc/src/main/native/cpp/Servo.cpp
@@ -0,0 +1,66 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/Servo.h"
+
+#include <hal/FRCUsageReporting.h>
+
+#include "frc/smartdashboard/SendableBuilder.h"
+#include "frc/smartdashboard/SendableRegistry.h"
+
+using namespace frc;
+
+constexpr double Servo::kMaxServoAngle;
+constexpr double Servo::kMinServoAngle;
+
+constexpr double Servo::kDefaultMaxServoPWM;
+constexpr double Servo::kDefaultMinServoPWM;
+
+Servo::Servo(int channel) : PWM(channel) {
+  // Set minimum and maximum PWM values supported by the servo
+  SetBounds(kDefaultMaxServoPWM, 0.0, 0.0, 0.0, kDefaultMinServoPWM);
+
+  // Assign defaults for period multiplier for the servo PWM control signal
+  SetPeriodMultiplier(kPeriodMultiplier_4X);
+
+  HAL_Report(HALUsageReporting::kResourceType_Servo, channel + 1);
+  SendableRegistry::GetInstance().SetName(this, "Servo", channel);
+}
+
+void Servo::Set(double value) { SetPosition(value); }
+
+void Servo::SetOffline() { SetRaw(0); }
+
+double Servo::Get() const { return GetPosition(); }
+
+void Servo::SetAngle(double degrees) {
+  if (degrees < kMinServoAngle) {
+    degrees = kMinServoAngle;
+  } else if (degrees > kMaxServoAngle) {
+    degrees = kMaxServoAngle;
+  }
+
+  SetPosition((degrees - kMinServoAngle) / GetServoAngleRange());
+}
+
+double Servo::GetAngle() const {
+  return GetPosition() * GetServoAngleRange() + kMinServoAngle;
+}
+
+double Servo::GetMaxAngle() const { return kMaxServoAngle; }
+
+double Servo::GetMinAngle() const { return kMinServoAngle; }
+
+void Servo::InitSendable(SendableBuilder& builder) {
+  builder.SetSmartDashboardType("Servo");
+  builder.AddDoubleProperty("Value", [=]() { return Get(); },
+                            [=](double value) { Set(value); });
+}
+
+double Servo::GetServoAngleRange() const {
+  return kMaxServoAngle - kMinServoAngle;
+}