add GeneralInfo project validator to analyze --suggestions (#109874)

packages/flutter_tools/lib/executable.dart

@@ -143,7 +143,7 @@ List<FlutterCommand> generateCommands({
     terminal: globals.terminal,
     artifacts: globals.artifacts!,
     // new ProjectValidators should be added here for the --suggestions to run
-    allProjectValidators: <ProjectValidator>[],
+    allProjectValidators: <ProjectValidator>[GeneralInfoProjectValidator()],
   ),
   AssembleCommand(verboseHelp: verboseHelp, buildSystem: globals.buildSystem),
   AttachCommand(verboseHelp: verboseHelp),

packages/flutter_tools/lib/src/commands/analyze.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:meta/meta.dart';
 import 'package:process/process.dart';
 
 import '../artifacts.dart';
@@ -112,6 +113,9 @@ class AnalyzeCommand extends FlutterCommand {
   @override
   String get category => FlutterCommandCategory.project;
 
+  @visibleForTesting
+  List<ProjectValidator> allProjectValidators() => _allProjectValidators;
+
   @override
   bool get shouldRunPub {
     // If they're not analyzing the current project.

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

@@ -7,6 +7,7 @@
 import 'package:args/args.dart';
 import 'package:args/command_runner.dart';
 import 'package:flutter_tools/executable.dart' as executable;
+import 'package:flutter_tools/src/commands/analyze.dart';
 import 'package:flutter_tools/src/runner/flutter_command.dart';
 import 'package:flutter_tools/src/runner/flutter_command_runner.dart';
 
@@ -23,6 +24,12 @@ void main() {
       verbose: true,
     ).forEach(runner.addCommand);
     verifyCommandRunner(runner);
+    for (final Command<void> command in runner.commands.values) {
+      if(command.name == 'analyze') {
+        final AnalyzeCommand analyze = command as AnalyzeCommand;
+        expect(analyze.allProjectValidators().length, 1);
+      }
+    }
   }));
 
   testUsingContext('bool? safe argResults', () async {