Move kernel baseline tests to front_end.

pkg/front_end/testcases/rasta/issue_000070.dart.outline.expect

 library;
 import self as self;
 import "dart:core" as core;
 
 class A<N extends core::Object, S extends core::Object, U extends core::Object> extends core::Object {
   final field core::List<self::A::U> field;
   constructor •(self::A::N n, self::A::S s) → void
     ;
   constructor empty() → void
     ;
   const constructor c(self::A::U u, self::A::S s) → void
     ;
   static factory f<N extends core::Object, S extends core::Object, U extends core::Object>(self::A::f::S s) → self::A<self::A::f::N, self::A::f::S, self::A::f::U>
     ;
   get getter() → core::List<self::A::U>
     ;
   set setter(self::A::S s) → void
     ;
 }
 abstract class J<Aa extends core::Object, B extends core::Object> extends core::Object {
   constructor •() → void
     ;
 }
 abstract class I<H extends core::Object, C extends core::Object, K extends core::Object> extends self::J<self::I::C, self::I::K> {
   constructor •() → void
     ;
 }
 static method main() → dynamic
   ;