Use new `enabledFeature` param for `Analytics` (#139934)

Related to tracker issue:
- https://github.com/flutter/flutter/issues/128251

This updates the `Analytics` constructor to provide it with the enabled features for the flutter-tool. This will be sent with each event for the flutter-tool.

packages/flutter_tools/lib/src/context_runner.dart

@@ -94,6 +94,7 @@ Future<T> runInContext<T>(
         flutterVersion: globals.flutterVersion,
         environment: globals.platform.environment,
         clientIde: globals.platform.environment['FLUTTER_HOST'],
+        config: globals.config,
       ),
       AndroidBuilder: () => AndroidGradleBuilder(
         java: globals.java,

packages/flutter_tools/lib/src/reporting/unified_analytics.dart

@@ -4,7 +4,9 @@
 
 import 'package:unified_analytics/unified_analytics.dart';
 
+import '../base/config.dart';
 import '../base/io.dart';
+import '../features.dart';
 import '../globals.dart' as globals;
 import '../version.dart';
 
@@ -22,6 +24,7 @@ Analytics getAnalytics({
   required FlutterVersion flutterVersion,
   required Map<String, String> environment,
   required String? clientIde,
+  required Config config,
   bool enableAsserts = false,
   FakeAnalytics? analyticsOverride,
 }) {
@@ -52,9 +55,24 @@ Analytics getAnalytics({
     dartVersion: flutterVersion.dartSdkVersion,
     enableAsserts: enableAsserts,
     clientIde: clientIde,
+    enabledFeatures: getEnabledFeatures(config),
   );
 }
 
+/// Uses the [Config] object to get enabled features.
+String? getEnabledFeatures(Config config) {
+  // Create string with all enabled features to send as user property
+  final Iterable<Feature> enabledFeatures = allFeatures.where((Feature feature) {
+    final String? configSetting = feature.configSetting;
+    return configSetting != null && config.getValue(configSetting) == true;
+  });
+  return enabledFeatures.isNotEmpty
+      ? enabledFeatures
+          .map((Feature feature) => feature.configSetting)
+          .join(',')
+      : null;
+}
+
 /// Function to safely grab the max rss from [ProcessInfo].
 int? getMaxRss(ProcessInfo processInfo) {
   try {

packages/flutter_tools/test/general.shard/unified_analytics_test.dart

@@ -3,12 +3,12 @@
 // found in the LICENSE file.
 
 import 'package:file/memory.dart';
+import 'package:flutter_tools/src/base/config.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
 import 'package:flutter_tools/src/reporting/unified_analytics.dart';
 import 'package:unified_analytics/unified_analytics.dart';
 
 import '../src/common.dart';
-import '../src/context.dart';
 import '../src/fakes.dart';
 
 void main() {
@@ -16,10 +16,12 @@ void main() {
   const String clientIde = 'VSCode';
 
   late FileSystem fs;
+  late Config config;
   late FakeAnalytics analyticsOverride;
 
   setUp(() {
     fs = MemoryFileSystem.test();
+    config = Config.test();
 
     analyticsOverride = getInitializedFakeAnalyticsInstance(
       fs: fs,
@@ -30,14 +32,32 @@ void main() {
     );
   });
 
+  group('Unit testing util:', () {
+    test('getEnabledFeatures is null', () {
+      final String? enabledFeatures = getEnabledFeatures(config);
+      expect(enabledFeatures, isNull);
+    });
+
+    testWithoutContext('getEnabledFeatures not null', () {
+      config.setValue('cli-animations', true);
+      config.setValue('enable-flutter-preview', true);
+
+      final String? enabledFeatures = getEnabledFeatures(config);
+      expect(enabledFeatures, isNotNull);
+      expect(enabledFeatures!.split(','), unorderedEquals(<String>['enable-flutter-preview', 'cli-animations']));
+    });
+  });
+
   group('Unit testing getAnalytics', () {
-    testWithoutContext('Successfully creates the instance for standard branch', () {
+    testWithoutContext('Successfully creates the instance for standard branch',
+        () {
       final Analytics analytics = getAnalytics(
         runningOnBot: false,
         flutterVersion: FakeFlutterVersion(),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
 
       expect(analytics.clientId, isNot(NoOpAnalytics.staticClientId),
@@ -55,6 +75,7 @@ void main() {
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
 
       expect(
@@ -74,6 +95,7 @@ void main() {
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
 
       expect(
@@ -91,6 +113,7 @@ void main() {
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
 
       expect(
@@ -108,6 +131,7 @@ void main() {
         environment: const <String, String>{'FLUTTER_SUPPRESS_ANALYTICS': 'true'},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
 
       expect(
@@ -130,13 +154,14 @@ void main() {
       expect(analyticsOverride.sentEvents, hasLength(1));
     });
 
-    testUsingContext('Client IDE is passed and found in events', () {
+    testWithoutContext('Client IDE is passed and found in events', () {
       final Analytics analytics = getAnalytics(
         runningOnBot: false,
         flutterVersion: FakeFlutterVersion(),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
         clientIde: clientIde,
+        config: config,
       );
       analytics as FakeAnalytics;
 

packages/flutter_tools/test/src/common.dart

@@ -322,6 +322,7 @@ FakeAnalytics getInitializedFakeAnalyticsInstance({
   required FileSystem fs,
   required FakeFlutterVersion fakeFlutterVersion,
   String? clientIde,
+  String? enabledFeatures,
 }) {
   final Directory homeDirectory = fs.directory('/');
   final FakeAnalytics initialAnalytics = FakeAnalytics(
@@ -346,6 +347,7 @@ FakeAnalytics getInitializedFakeAnalyticsInstance({
     flutterChannel: fakeFlutterVersion.channel,
     flutterVersion: fakeFlutterVersion.getVersionString(),
     clientIde: clientIde,
+    enabledFeatures: enabledFeatures,
   );
 }