[build] Apply spotless for java formatting (#1768)

Update checkstyle config to be compatible with spotless.

Co-authored-by: Austin Shalit <austinshalit@gmail.com>

wpilibjIntegrationTests/src/main/java/edu/wpi/first/wpilibj/mockhardware/FakeCounterSource.java

@@ -7,9 +7,7 @@ package edu.wpi.first.wpilibj.mockhardware;
 import edu.wpi.first.wpilibj.DigitalOutput;
 import edu.wpi.first.wpilibj.Timer;
 
-/**
- * Simulates an encoder for testing purposes.
- */
+/** Simulates an encoder for testing purposes. */
 public class FakeCounterSource implements AutoCloseable {
   private Thread m_task;
   private int m_count;
@@ -17,9 +15,7 @@ public class FakeCounterSource implements AutoCloseable {
   private DigitalOutput m_output;
   private boolean m_allocated;
 
-  /**
-   * Thread object that allows emulation of an encoder.
-   */
+  /** Thread object that allows emulation of an encoder. */
   private class EncoderThread extends Thread {
     FakeCounterSource m_encoder;
 
@@ -65,9 +61,7 @@ public class FakeCounterSource implements AutoCloseable {
     initEncoder();
   }
 
-  /**
-   * Destroy Object with minimum memory leak.
-   */
+  /** Destroy Object with minimum memory leak. */
   @Override
   public void close() {
     m_task = null;
@@ -78,25 +72,19 @@ public class FakeCounterSource implements AutoCloseable {
     }
   }
 
-  /**
-   * Common initailization code.
-   */
+  /** Common initailization code. */
   private void initEncoder() {
     m_milliSec = 1;
     m_task = new EncoderThread(this);
     m_output.set(false);
   }
 
-  /**
-   * Starts the thread execution task.
-   */
+  /** Starts the thread execution task. */
   public void start() {
     m_task.start();
   }
 
-  /**
-   * Waits for the thread to complete.
-   */
+  /** Waits for the thread to complete. */
   public void complete() {
     try {
       m_task.join();
@@ -107,9 +95,7 @@ public class FakeCounterSource implements AutoCloseable {
     Timer.delay(0.01);
   }
 
-  /**
-   * Starts and completes a task set - does not return until thred has finished its operations.
-   */
+  /** Starts and completes a task set - does not return until thred has finished its operations. */
   public void execute() {
     start();
     complete();

wpilibjIntegrationTests/src/main/java/edu/wpi/first/wpilibj/mockhardware/FakeEncoderSource.java

@@ -7,9 +7,7 @@ package edu.wpi.first.wpilibj.mockhardware;
 import edu.wpi.first.wpilibj.DigitalOutput;
 import edu.wpi.first.wpilibj.Timer;
 
-/**
- * Emulates a quadrature encoder.
- */
+/** Emulates a quadrature encoder. */
 public class FakeEncoderSource implements AutoCloseable {
   private Thread m_task;
   private int m_count;
@@ -19,9 +17,7 @@ public class FakeEncoderSource implements AutoCloseable {
   private final DigitalOutput m_outputB;
   private final boolean m_allocatedOutputs;
 
-  /**
-   * Thread object that allows emulation of a quadrature encoder.
-   */
+  /** Thread object that allows emulation of a quadrature encoder. */
   private class QuadEncoderThread extends Thread {
     FakeEncoderSource m_encoder;
 
@@ -88,9 +84,7 @@ public class FakeEncoderSource implements AutoCloseable {
     initQuadEncoder();
   }
 
-  /**
-   * Frees the resource.
-   */
+  /** Frees the resource. */
   @Override
   public void close() {
     m_task = null;
@@ -100,9 +94,7 @@ public class FakeEncoderSource implements AutoCloseable {
     }
   }
 
-  /**
-   * Common initialization code.
-   */
+  /** Common initialization code. */
   private void initQuadEncoder() {
     m_milliSec = 1;
     m_forward = true;
@@ -111,16 +103,12 @@ public class FakeEncoderSource implements AutoCloseable {
     m_outputB.set(false);
   }
 
-  /**
-   * Starts the thread.
-   */
+  /** Starts the thread. */
   public void start() {
     m_task.start();
   }
 
-  /**
-   * Waits for thread to end.
-   */
+  /** Waits for thread to end. */
   public void complete() {
     try {
       m_task.join();
@@ -131,9 +119,7 @@ public class FakeEncoderSource implements AutoCloseable {
     Timer.delay(0.01);
   }
 
-  /**
-   * Runs and waits for thread to end before returning.
-   */
+  /** Runs and waits for thread to end before returning. */
   public void execute() {
     start();
     complete();

wpilibjIntegrationTests/src/main/java/edu/wpi/first/wpilibj/mockhardware/FakePotentiometerSource.java

@@ -6,9 +6,7 @@ package edu.wpi.first.wpilibj.mockhardware;
 
 import edu.wpi.first.wpilibj.AnalogOutput;
 
-/**
- * A fake source to provide output to a {@link edu.wpi.first.wpilibj.interfaces.Potentiometer}.
- */
+/** A fake source to provide output to a {@link edu.wpi.first.wpilibj.interfaces.Potentiometer}. */
 public class FakePotentiometerSource implements AutoCloseable {
   private AnalogOutput m_output;
   private boolean m_initOutput;
@@ -19,7 +17,7 @@ public class FakePotentiometerSource implements AutoCloseable {
   /**
    * Constructs the fake source.
    *
-   * @param output             The analog port to output the signal on
+   * @param output The analog port to output the signal on
    * @param defaultPotMaxAngle The default maximum angle the pot supports.
    */
   public FakePotentiometerSource(AnalogOutput output, double defaultPotMaxAngle) {
@@ -77,9 +75,7 @@ public class FakePotentiometerSource implements AutoCloseable {
     return voltage * (m_potMaxAngle / m_potMaxVoltage);
   }
 
-  /**
-   * Frees the resouce.
-   */
+  /** Frees the resouce. */
   @Override
   public void close() {
     if (m_initOutput) {