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/commands/command/ReplaceMeCommand.cpp

@@ -16,7 +16,9 @@ void ReplaceMeCommand::Initialize() {}
 void ReplaceMeCommand::Execute() {}
 
 // Make this return true when this Command no longer needs to run execute()
-bool ReplaceMeCommand::IsFinished() { return false; }
+bool ReplaceMeCommand::IsFinished() {
+  return false;
+}
 
 // Called once after isFinished returns true
 void ReplaceMeCommand::End() {}

wpilibcExamples/src/main/cpp/commands/command2/ReplaceMeCommand2.cpp

@@ -18,4 +18,6 @@ void ReplaceMeCommand2::Execute() {}
 void ReplaceMeCommand2::End(bool interrupted) {}
 
 // Returns true when the command should end.
-bool ReplaceMeCommand2::IsFinished() { return false; }
+bool ReplaceMeCommand2::IsFinished() {
+  return false;
+}

wpilibcExamples/src/main/cpp/commands/pidcommand/ReplaceMePIDCommand.cpp

@@ -20,4 +20,6 @@ ReplaceMePIDCommand::ReplaceMePIDCommand()
           }) {}
 
 // Returns true when the command should end.
-bool ReplaceMePIDCommand::IsFinished() { return false; }
+bool ReplaceMePIDCommand::IsFinished() {
+  return false;
+}

wpilibcExamples/src/main/cpp/commands/profiledpidcommand/ReplaceMeProfiledPIDCommand.cpp

@@ -31,4 +31,6 @@ ReplaceMeProfiledPIDCommand::ReplaceMeProfiledPIDCommand()
           }) {}
 
 // Returns true when the command should end.
-bool ReplaceMeProfiledPIDCommand::IsFinished() { return false; }
+bool ReplaceMeProfiledPIDCommand::IsFinished() {
+  return false;
+}

wpilibcExamples/src/main/cpp/commands/trigger/ReplaceMeTrigger.cpp

@@ -6,4 +6,6 @@
 
 ReplaceMeTrigger::ReplaceMeTrigger() {}
 
-bool ReplaceMeTrigger::Get() { return false; }
+bool ReplaceMeTrigger::Get() {
+  return false;
+}