Re-land: "Remove Cocoon from dev/devicelab, keeping Skia perf stats upload" (#165755)

🚫 **Merge after**
https://flutter-review.googlesource.com/c/recipes/+/64300.

---

This reverts commit 0a2d9f5.

Author: matanlurey

dev/devicelab/bin/test_runner.dart

@@ -8,12 +8,12 @@ import 'dart:io';
 import 'package:args/command_runner.dart';
 
 import 'package:flutter_devicelab/command/test.dart';
-import 'package:flutter_devicelab/command/upload_results.dart';
+import 'package:flutter_devicelab/command/upload_metrics.dart';
 
 final CommandRunner<void> runner =
     CommandRunner<void>('devicelab_runner', 'DeviceLab test runner for recording test results')
       ..addCommand(TestCommand())
-      ..addCommand(UploadResultsCommand());
+      ..addCommand(UploadMetricsCommand());
 
 Future<void> main(List<String> rawArgs) async {
   unawaited(

dev/devicelab/lib/command/upload_metrics.dart

@@ -0,0 +1,42 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:args/command_runner.dart';
+
+import '../framework/metrics_center.dart';
+
+class UploadMetricsCommand extends Command<void> {
+  UploadMetricsCommand() {
+    argParser.addOption('results-file', help: 'Test results JSON to upload to Cocoon.');
+    argParser.addOption('commit-time', help: 'Commit time in UNIX timestamp');
+    argParser.addOption(
+      'task-name',
+      help: '[Flutter infrastructure] Name of the task being run on.',
+    );
+    argParser.addOption(
+      'benchmark-tags',
+      help: '[Flutter infrastructure] Benchmark tags to surface on Skia Perf',
+    );
+  }
+
+  @override
+  String get name => 'upload-metrics';
+
+  @override
+  String get description => '[Flutter infrastructure] Upload results data to Cocoon/Skia Perf';
+
+  @override
+  Future<void> run() async {
+    final String? resultsPath = argResults!['results-file'] as String?;
+    final String? commitTime = argResults!['commit-time'] as String?;
+    final String? taskName = argResults!['task-name'] as String?;
+    final String? benchmarkTags = argResults!['benchmark-tags'] as String?;
+
+    // Upload metrics to skia perf from test runner when `resultsPath` is specified.
+    if (resultsPath != null) {
+      await uploadToSkiaPerf(resultsPath, commitTime, taskName, benchmarkTags);
+      print('Successfully uploaded metrics to skia perf');
+    }
+  }
+}