Reformat code to reduce churn

pkg/analyzer/lib/plugin/options.dart

Index: pkg/analyzer/lib/plugin/options.dart
diff --git a/pkg/analyzer/lib/plugin/options.dart b/pkg/analyzer/lib/plugin/options.dart
index cc0b88d5a1aa9abc4a9d53df1bcccd6b964c7e11..65775e1e907c698db08b1293a90808084e3561c6 100644
--- a/pkg/analyzer/lib/plugin/options.dart
+++ b/pkg/analyzer/lib/plugin/options.dart
@@ -18,7 +18,7 @@ final String OPTIONS_PROCESSOR_EXTENSION_POINT_ID = Plugin.join(
     OptionsPlugin.OPTIONS_PROCESSOR_EXTENSION_POINT);
 
 /// Processes options defined in the analysis options file.
-/// 
+///
 /// The options file format is intentionally very open-ended, giving clients
 /// utmost flexibility in defining their own options.  The only hardfast
 /// expectation is that options files will contain a mapping from Strings
@@ -45,7 +45,6 @@ final String OPTIONS_PROCESSOR_EXTENSION_POINT_ID = Plugin.join(
 ///     bool useMultiPackage =
 ///         options['compiler']['resolver']['useMultiPackage'];
 abstract class OptionsProcessor {
-
   /// Called when an error occurs in processing options.
   void onError(Exception exception);