Add braces to C++ single-line loops and conditionals (NFC) (#2973)

This makes code easier to read and more consistent between C++ and Java.
Also update clang-format settings to always add a line break (even if no braces are used).

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/Robot.cpp

@@ -17,7 +17,9 @@ void Robot::RobotInit() {}
  * <p> This runs after the mode specific periodic functions, but before
  * LiveWindow and SmartDashboard integrated updating.
  */
-void Robot::RobotPeriodic() { frc2::CommandScheduler::GetInstance().Run(); }
+void Robot::RobotPeriodic() {
+  frc2::CommandScheduler::GetInstance().Run();
+}
 
 /**
  * This function is called once each time the robot enters Disabled mode. You
@@ -64,5 +66,7 @@ void Robot::TeleopPeriodic() {}
 void Robot::TestPeriodic() {}
 
 #ifndef RUNNING_FRC_TESTS
-int main() { return frc::StartRobot<Robot>(); }
+int main() {
+  return frc::StartRobot<Robot>();
+}
 #endif

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/commands/DriveDistance.cpp

@@ -17,9 +17,13 @@ void DriveDistance::Initialize() {
   m_drive->ArcadeDrive(m_speed, 0);
 }
 
-void DriveDistance::Execute() { m_drive->ArcadeDrive(m_speed, 0); }
+void DriveDistance::Execute() {
+  m_drive->ArcadeDrive(m_speed, 0);
+}
 
-void DriveDistance::End(bool interrupted) { m_drive->ArcadeDrive(0, 0); }
+void DriveDistance::End(bool interrupted) {
+  m_drive->ArcadeDrive(0, 0);
+}
 
 bool DriveDistance::IsFinished() {
   return std::abs(m_drive->GetAverageEncoderDistance()) >= m_distance;

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/commands/GrabHatch.cpp

@@ -8,6 +8,10 @@ GrabHatch::GrabHatch(HatchSubsystem* subsystem) : m_hatch(subsystem) {
   AddRequirements({subsystem});
 }
 
-void GrabHatch::Initialize() { m_hatch->GrabHatch(); }
+void GrabHatch::Initialize() {
+  m_hatch->GrabHatch();
+}
 
-bool GrabHatch::IsFinished() { return true; }
+bool GrabHatch::IsFinished() {
+  return true;
+}

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/commands/HalveDriveSpeed.cpp

@@ -7,6 +7,10 @@
 HalveDriveSpeed::HalveDriveSpeed(DriveSubsystem* subsystem)
     : m_drive(subsystem) {}
 
-void HalveDriveSpeed::Initialize() { m_drive->SetMaxOutput(0.5); }
+void HalveDriveSpeed::Initialize() {
+  m_drive->SetMaxOutput(0.5);
+}
 
-void HalveDriveSpeed::End(bool interrupted) { m_drive->SetMaxOutput(1); }
+void HalveDriveSpeed::End(bool interrupted) {
+  m_drive->SetMaxOutput(1);
+}

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/commands/ReleaseHatch.cpp

@@ -8,6 +8,10 @@ ReleaseHatch::ReleaseHatch(HatchSubsystem* subsystem) : m_hatch(subsystem) {
   AddRequirements({subsystem});
 }
 
-void ReleaseHatch::Initialize() { m_hatch->ReleaseHatch(); }
+void ReleaseHatch::Initialize() {
+  m_hatch->ReleaseHatch();
+}
 
-bool ReleaseHatch::IsFinished() { return true; }
+bool ReleaseHatch::IsFinished() {
+  return true;
+}

wpilibcExamples/src/main/cpp/examples/HatchbotTraditional/cpp/subsystems/DriveSubsystem.cpp

@@ -35,9 +35,13 @@ double DriveSubsystem::GetAverageEncoderDistance() {
   return (m_leftEncoder.GetDistance() + m_rightEncoder.GetDistance()) / 2.0;
 }
 
-frc::Encoder& DriveSubsystem::GetLeftEncoder() { return m_leftEncoder; }
+frc::Encoder& DriveSubsystem::GetLeftEncoder() {
+  return m_leftEncoder;
+}
 
-frc::Encoder& DriveSubsystem::GetRightEncoder() { return m_rightEncoder; }
+frc::Encoder& DriveSubsystem::GetRightEncoder() {
+  return m_rightEncoder;
+}
 
 void DriveSubsystem::SetMaxOutput(double maxOutput) {
   m_drive.SetMaxOutput(maxOutput);