Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/redirecting_constructor.dart.direct.expect

-library;
-import self as self;
-import "dart:core" as core;
-
-class A extends core::Object {
-  static field dynamic _redirecting# = <dynamic>[self::A::fisk];
-  constructor •() → void
-    : super core::Object::•()
-    ;
-  static factory fisk() → dynamic
-    let final dynamic #t1 = self::B::• in invalid-expression;
-}
-class B extends self::A {
-  constructor •() → void
-    : super self::A::•()
-    ;
-}
-static method main() → dynamic {
-  new self::B::•();
-}