[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/WpiLibJTestSuite.java

@@ -4,22 +4,34 @@
 
 package edu.wpi.first.wpilibj;
 
+import edu.wpi.first.wpilibj.test.AbstractTestSuite;
 import org.junit.runner.RunWith;
 import org.junit.runners.Suite;
 import org.junit.runners.Suite.SuiteClasses;
 
-import edu.wpi.first.wpilibj.test.AbstractTestSuite;
-
 /**
  * Holds all of the tests in the root wpilibj directory. Please list alphabetically so that it is
  * easy to determine if a test is missing from the list.
  */
 @RunWith(Suite.class)
-@SuiteClasses({AnalogCrossConnectTest.class, AnalogPotentiometerTest.class,
-    BuiltInAccelerometerTest.class, ConstantsPortsTest.class, CounterTest.class,
-    DigitalGlitchFilterTest.class, DIOCrossConnectTest.class,
-    DriverStationTest.class, EncoderTest.class, GyroTest.class, MotorEncoderTest.class,
-    MotorInvertingTest.class, PCMTest.class, PDPTest.class, PIDTest.class,
-    RelayCrossConnectTest.class, SampleTest.class, TimerTest.class})
-public class WpiLibJTestSuite extends AbstractTestSuite {
-}
+@SuiteClasses({
+  AnalogCrossConnectTest.class,
+  AnalogPotentiometerTest.class,
+  BuiltInAccelerometerTest.class,
+  ConstantsPortsTest.class,
+  CounterTest.class,
+  DigitalGlitchFilterTest.class,
+  DIOCrossConnectTest.class,
+  DriverStationTest.class,
+  EncoderTest.class,
+  GyroTest.class,
+  MotorEncoderTest.class,
+  MotorInvertingTest.class,
+  PCMTest.class,
+  PDPTest.class,
+  PIDTest.class,
+  RelayCrossConnectTest.class,
+  SampleTest.class,
+  TimerTest.class
+})
+public class WpiLibJTestSuite extends AbstractTestSuite {}