message: Support multiple runtime library import paths
  Matches changes in apple/swift#23175.
diff: @@ -4757,9 +4757,14 @@ void SwiftASTContext::DumpConfiguration(Log *log) {
  m_ast_context_ap->SearchPathOpts.RuntimeResourcePath.c_str());
  log->Printf(" Runtime library path : %s",
  m_ast_context_ap->SearchPathOpts.RuntimeLibraryPath.c_str());
  - log->Printf(
  - " Runtime library import path : %s",
  - m_ast_context_ap->SearchPathOpts.RuntimeLibraryImportPath.c_str());
  +
  + log->Printf(" Runtime library import paths : (%llu items)",
  + (unsigned long long)
  + m_ast_context_ap->SearchPathOpts.RuntimeLibraryImportPaths.size());
  + for (const auto &runtime_import_path :
  + m_ast_context_ap->SearchPathOpts.RuntimeLibraryImportPaths) {
  + log->Printf(" %s", runtime_import_path.c_str());
  + }
  log->Printf(" Framework search paths : (%llu items)",
  (unsigned long long)
  