Add some more cupertino icons (#30946)

packages/flutter/lib/src/cupertino/icons.dart

@@ -501,9 +501,20 @@ class CupertinoIcons {
   ///  * [gear_solid], which is another cogwheel with a different design.
   static const IconData settings_solid = IconData(0xf412, fontFamily: iconFont, fontPackage: iconFontPackage);
 
-  /// A symbol representing a single musical note.
+  /// A symbol representing a solid single musical note.
+  ///
+  /// See also:
+  ///
+  ///  * [double_music_note], which is similar, but with 2 connected notes.
   static const IconData music_note = IconData(0xf46b, fontFamily: iconFont, fontPackage: iconFontPackage);
 
+  /// A symbol representing 2 connected musical notes.
+  ///
+  /// See also:
+  ///
+  ///  * [music_note], which is similar, but with a single note.
+  static const IconData double_music_note = IconData(0xf46c, fontFamily: iconFont, fontPackage: iconFontPackage);
+
   /// A triangle facing to the right. This icon is not filled in.
   ///
   /// See also:
@@ -862,4 +873,32 @@ class CupertinoIcons {
   ///
   ///  * [heart], same shape, but not filled in.
   static const IconData heart_solid = IconData(0xf443, fontFamily: iconFont, fontPackage: iconFontPackage);
+
+  /// An outlined bell. Can be used to represent notifications.
+  ///
+  /// See also:
+  ///
+  ///  * [bell_solid], same shape, but filled in.
+  static const IconData bell = IconData(0xf3e1, fontFamily: iconFont, fontPackage: iconFontPackage);
+
+  /// A filled bell. Can be used represent notifications.
+  ///
+  /// See also:
+  ///
+  ///  * [bell], same shape, but not filled in.
+  static const IconData bell_solid = IconData(0xf3e2, fontFamily: iconFont, fontPackage: iconFontPackage);
+
+  /// An outlined folded newspaper icon.
+  ///
+  /// See also:
+  ///
+  ///  * [news_solid], same shape, but filled in.
+  static const IconData news = IconData(0xf471, fontFamily: iconFont, fontPackage: iconFontPackage);
+
+  /// A filled folded newspaper icon.
+  ///
+  /// See also:
+  ///
+  ///  * [news], same shape, but not filled in.
+  static const IconData news_solid = IconData(0xf472, fontFamily: iconFont, fontPackage: iconFontPackage);
 }