chore(device_info_plus): fix analysis issues in plugin and tests (#3518)

Author: miquelbeltran

packages/device_info_plus/device_info_plus/lib/src/device_info_plus_windows.dart

@@ -1,5 +1,5 @@
 /// The Windows implementation of `device_info_plus`.
-library device_info_plus_windows;
+library;
 
 import 'dart:ffi';
 import 'dart:typed_data';

packages/device_info_plus/device_info_plus/lib/src/model/android_device_info.dart

@@ -176,7 +176,7 @@ class AndroidDeviceInfo extends BaseDeviceInfo {
     );
   }
 
-  /// Deserializes message as List<String>
+  /// Deserializes message as `List<String>`
   static List<String> _fromList(List<dynamic> message) {
     final list = message.takeWhile((item) => item != null).toList();
     return List<String>.from(list);

packages/device_info_plus/device_info_plus/test/device_info_plus_linux_test.dart

@@ -1,5 +1,5 @@
 @TestOn('linux')
-library device_info_plus_linux_test;
+library;
 
 import 'package:device_info_plus/src/device_info_plus_linux.dart';
 import 'package:device_info_plus_platform_interface/device_info_plus_platform_interface.dart';

packages/device_info_plus/device_info_plus/test/device_info_plus_web_test.dart

@@ -1,5 +1,5 @@
 @TestOn('browser')
-library device_info_plus_web_test;
+library;
 
 import 'package:device_info_plus/src/model/web_browser_info.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/device_info_plus/device_info_plus/test/device_info_plus_windows_test.dart

@@ -1,5 +1,5 @@
 @TestOn('windows')
-library device_info_plus_windows_test;
+library;
 
 import 'dart:typed_data';