fix(@angular-devkit/build-angular): use stylePreprocessorOptions#28909

dgp1130 merged 1 commit intoangular:mainangular/angular-cli:mainfrom

cexbrayat:fix/karma-app-builder-style-preprocessor-optionscexbrayat/angular-cli:fix/karma-app-builder-style-preprocessor-optionsCopy head branch name to clipboard