Some improvements to the command-line analyzer's output.

pkg/analyzer_cli/lib/src/perf_report.dart

Index: pkg/analyzer_cli/lib/src/perf_report.dart
diff --git a/pkg/analyzer_cli/lib/src/perf_report.dart b/pkg/analyzer_cli/lib/src/perf_report.dart
index 452b2ff300d52693dacb904a6a302740b8aca2b9..dc75a494fbf4f11a145a3e4997ffa2adc1e924dd 100644
--- a/pkg/analyzer_cli/lib/src/perf_report.dart
+++ b/pkg/analyzer_cli/lib/src/perf_report.dart
@@ -10,8 +10,9 @@ import 'dart:io' show Platform;
 import 'package:analyzer/src/generated/utilities_general.dart'
     show PerformanceTag;
 import 'package:analyzer/task/model.dart' show AnalysisTask;
-import 'package:analyzer_cli/src/error_formatter.dart';
-import 'package:analyzer_cli/src/options.dart' show CommandLineOptions;
+
+import 'error_formatter.dart';
+import 'options.dart' show CommandLineOptions;
 
 const _JSON = const JsonEncoder.withIndent("  ");