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).

hal/src/main/native/sim/mockdata/PWMData.cpp

@@ -27,7 +27,9 @@ void PWMData::ResetData() {
 }
 
 extern "C" {
-void HALSIM_ResetPWMData(int32_t index) { SimPWMData[index].ResetData(); }
+void HALSIM_ResetPWMData(int32_t index) {
+  SimPWMData[index].ResetData();
+}
 
 #define DEFINE_CAPI(TYPE, CAPINAME, LOWERNAME)                          \
   HAL_SIMDATAVALUE_DEFINE_CAPI(TYPE, HALSIM, PWM##CAPINAME, SimPWMData, \