Roll Observatory packages and add a roll script

packages/dart_style/test/regression/0300/0361.unit

+>>>
+class Foo {
+  /**
+   * Basic one-byte 608 CC char set, mostly ASCII.
+   * Indexed by (char-0x20).
+   */
+  static const List<int> ccUtfTable0 = const <int> [
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,     //   ! " # $ % & '
+    0x28, 0x29,                                         // ( )
+    0xE1,       // 2A: 225 'á' "Latin small letter A with acute"
+    0x2b, 0x2c, 0x2d, 0x2e, 0x2f,     //       + , - . /
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,     // 0 1 2 3 4 5 6 7
+    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,     // 8 9 : ; < = > ?
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,     // @ A B C D E F G
+    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,     // H I J K L M N O
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,     // P Q R S T U V W
+    0x58, 0x59, 0x5a, 0x5b,                             // X Y Z [
+    0xE9,       // 5C: 233 'é' "Latin small letter E with acute"
+    0x5d,                                               //           ]
+    0xED,       // 5E: 237 'í' "Latin small letter I with acute"
+    0xF3,       // 5F: 243 'ó' "Latin small letter O with acute"
+    0xFA,       // 60: 250 'ú' "Latin small letter U with acute"
+    0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,     //   a b c d e f g
+    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,     // h i j k l m n o
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,     // p q r s t u v w
+    0x78, 0x79, 0x7a,                                   // x y z
+    0xE7,       // 7B: 231 'ç' "Latin small letter C with cedilla"
+    0xF7,       // 7C: 247 '÷' "Division sign"
+    0xD1,       // 7D: 209 'Ñ' "Latin capital letter N with tilde"
+    0xF1,       // 7E: 241 'ñ' "Latin small letter N with tilde"
+    0x25A0      // 7F:         "Black Square" (NB: 2588 = Full Block)
+  ];
+}
+<<<
+class Foo {
+  /**
+   * Basic one-byte 608 CC char set, mostly ASCII.
+   * Indexed by (char-0x20).
+   */
+  static const List<int> ccUtfTable0 = const <int>[
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, //   ! " # $ % & '
+    0x28, 0x29, // ( )
+    0xE1, // 2A: 225 'á' "Latin small letter A with acute"
+    0x2b, 0x2c, 0x2d, 0x2e, 0x2f, //       + , - . /
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, // 0 1 2 3 4 5 6 7
+    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, // 8 9 : ; < = > ?
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, // @ A B C D E F G
+    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, // H I J K L M N O
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, // P Q R S T U V W
+    0x58, 0x59, 0x5a, 0x5b, // X Y Z [
+    0xE9, // 5C: 233 'é' "Latin small letter E with acute"
+    0x5d, //           ]
+    0xED, // 5E: 237 'í' "Latin small letter I with acute"
+    0xF3, // 5F: 243 'ó' "Latin small letter O with acute"
+    0xFA, // 60: 250 'ú' "Latin small letter U with acute"
+    0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, //   a b c d e f g
+    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, // h i j k l m n o
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, // p q r s t u v w
+    0x78, 0x79, 0x7a, // x y z
+    0xE7, // 7B: 231 'ç' "Latin small letter C with cedilla"
+    0xF7, // 7C: 247 '÷' "Division sign"
+    0xD1, // 7D: 209 'Ñ' "Latin capital letter N with tilde"
+    0xF1, // 7E: 241 'ñ' "Latin small letter N with tilde"
+    0x25A0 // 7F:         "Black Square" (NB: 2588 = Full Block)
+  ];
+}