[builtins] Move more files into v8_builtins_generators source set

src/builtins/builtins-promise-gen.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/builtins/builtins-constructor.h"
-#include "src/builtins/builtins-promise.h"
+#include "src/builtins/builtins-promise-gen.h"
+
+#include "src/builtins/builtins-constructor-gen.h"
 #include "src/builtins/builtins-utils-gen.h"
 #include "src/builtins/builtins.h"
 #include "src/code-factory.h"
 #include "src/code-stub-assembler.h"
 #include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {
 
 using compiler::Node;
@@ skipping 1737 matching lines @@
     // 5. Return ?  Invoke(promise, "then", « thenFinally, catchFinally »).
     Node* const result =
         CallJS(call_callable, context, then, promise, var_then_finally.value(),
                var_catch_finally.value());
     Return(result);
   }
 }
 
 }  // namespace internal
 }  // namespace v8