Update rasta outline expectations.

pkg/front_end/test/fasta/rasta/unresolved_recovery.dart.outline.expect

 library;
 import self as self;
 import "dart:core" as core;
 
 class E extends core::Object {
-  constructor •() → self::E
-    : super core::Object::•();
-  method foo() → dynamic {
-    super.[]=(4, 42);
-    let final dynamic #t1 = 4 in super.[]=(#t1, super.[](#t1).+(5));
-    return super.[](2);
-  }
+  constructor •() → void
+    ;
+  method foo() → dynamic
+    ;
 }
-static method beforeTestMissingTry() → dynamic {
-  throw core::_genericNoSuchMethod(null, #testMissingTry, <dynamic>[], <dynamic, dynamic>{}, null);
-}
+static method beforeTestMissingTry() → dynamic
+  ;
 static method testMissingTry() → dynamic
-  invalid-statement;
-static method main() → dynamic {}
+  ;
+static method main() → dynamic
+  ;