Merge "Update clang version to clang-r498229" into main

vndk/tools/header-checker/android/envsetup.sh

@@ -15,5 +15,5 @@
 # limitations under the License.
 
 export LLVM_BUILD_HOST_TOOLS=true
-export LLVM_PREBUILTS_VERSION=clang-r487747c
+export LLVM_PREBUILTS_VERSION=clang-r498229
 export LLVM_RELEASE_VERSION=17

vndk/tools/header-checker/src/utils/string_utils.cpp

@@ -92,7 +92,9 @@ llvm::Optional<int> ParseInt(const std::string &s) {
 
 bool ParseBool(const std::string &s) {
   std::string value(s);
-  std::transform(value.begin(), value.end(), value.begin(), std::tolower);
+  std::transform(value.begin(), value.end(), value.begin(),
+                 [](unsigned char c){ return std::tolower(c); }
+                );
   return (value == "true" || value == "on" || value == "1");
 }