Wrap with !NDEBUG check to match old behavior

Author: brycehutchings

src/api_layers/api_dump.cpp

@@ -71,10 +71,12 @@ static std::mutex g_record_mutex = {};
 
 // For routing platform_utils.hpp messages.
 void LogPlatformUtilsError(const std::string &message) {
+#if !defined(NDEBUG)
     std::cerr << message << std::endl;
 #if defined(XR_OS_WINDOWS)
     OutputDebugStringA((message + "\n").c_str());
 #endif
+#endif
 }
 
 // HTML utilities

src/api_layers/core_validation.cpp

@@ -213,10 +213,12 @@ bool CoreValidationWriteHtmlFooter() {
 
 // For routing platform_utils.hpp messages.
 void LogPlatformUtilsError(const std::string &message) {
+#if !defined(NDEBUG)
     std::cerr << message << std::endl;
 #if defined(XR_OS_WINDOWS)
     OutputDebugStringA((message + "\n").c_str());
 #endif
+#endif
 }
 
 // Function to record all the core validation information