Use runAsync() when perform request.

pkg/analyzer_cli/lib/src/build_mode.dart

Index: pkg/analyzer_cli/lib/src/build_mode.dart
diff --git a/pkg/analyzer_cli/lib/src/build_mode.dart b/pkg/analyzer_cli/lib/src/build_mode.dart
index ab6f1cd8440eb975e56738572622dd0f66b66103..c76de078934c37120f0bcc9085b78c20f5055b84 100644
--- a/pkg/analyzer_cli/lib/src/build_mode.dart
+++ b/pkg/analyzer_cli/lib/src/build_mode.dart
@@ -81,7 +81,7 @@ class AnalyzerWorkerLoop extends AsyncWorkerLoop {
    */
   @override
   Future<WorkResponse> performRequest(WorkRequest request) async {
-    return logger.run('Perform request', () async {
+    return logger.runAsync('Perform request', () async {
       errorBuffer.clear();
       outBuffer.clear();
       try {