message: Restore old cache dir on Android.
diff: @@ -723,7 +723,9 @@ private:
  };
  static std::string getCacheDatabaseName() {
  -#if PLATFORM_ANDROID || PLATFORM_IOS
  +#if PLATFORM_ANDROID
  + FString BaseDirectory = FPaths::ProjectPersistentDownloadDir();
  +#elif PLATFORM_IOS
  FString BaseDirectory =
  FPaths::Combine(*FPaths::ProjectSavedDir(), TEXT("Cesium"));
  if (!IFileManager::Get().DirectoryExists(*BaseDirectory)) {
  