Move kernel baseline tests to front_end.

pkg/front_end/testcases/rasta/bad_redirection.dart.dartk.expect

 library;
 import self as self;
 import "dart:core" as core;
 
 class Foo extends core::Object {
   constructor •() → dynamic
     : super core::Object::•()
     invalid-statement;
 }
 class Bar extends self::Foo {
   static factory •() → self::Bar
     return null;
 }
 static method main() → dynamic {
   new self::Foo::•();
 }