[cq] fix ProducerRequestPerformance to properly set operation name

Change-Id: Ib45821959837c6eaaa572601fa08d727d824d42e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/417101
Auto-Submit: Phil Quitslund <[email protected]>
Commit-Queue: Phil Quitslund <[email protected]>
Reviewed-by: Samuel Rawlins <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: pq

pkg/analysis_server_plugin/lib/src/correction/performance.dart

@@ -21,18 +21,15 @@ abstract class ProducerRequestPerformance extends RequestPerformance {
   final List<ProducerTiming> producerTimings;
 
   ProducerRequestPerformance({
-    // TODO(srawlins): This should probably be used in the super call?
-    // ignore: avoid_unused_constructor_parameters
-    required String operation,
+    required super.operation,
     required this.path,
     required super.performance,
     super.requestLatency,
     super.startTime,
     required String content,
     required int offset,
     required this.producerTimings,
-  })  : snippet = content.withCaretAt(offset),
-        super(operation: 'GetAssists');
+  }) : snippet = content.withCaretAt(offset);
 
   int get elapsedInMilliseconds => performance.elapsed.inMilliseconds;
 }