Add print vehicle to car-rs, update android gradle versions

car-rs/src/lib.rs

@@ -173,3 +173,29 @@ impl<T: Servo> Vehicle for ServoVehicle<T> {
         self.steering_servo.set_value(steering);
     }
 }
+
+#[derive(Default, Debug)]
+pub struct PrintVehicle {
+    throttle: f64,
+    steering: f64,
+}
+
+impl Vehicle for PrintVehicle {
+    fn get_throttle(&self) -> f64 {
+        self.throttle
+    }
+
+    fn set_throttle(&mut self, throttle: f64) {
+        println!("New Throttle: {}", throttle);
+        self.throttle = throttle;
+    }
+
+    fn get_steering(&self) -> f64 {
+        self.steering
+    }
+
+    fn set_steering(&mut self, steering: f64) {
+        println!("New Steering: {}", steering);
+        self.steering = steering;
+    }
+}