[Intl] Ship Intl.ListFormat

Bug: v8:7871
Change-Id: I287f4a365b5e1443652131e97bcd149f9e6fd623
Reviewed-on: https://chromium-review.googlesource.com/c/1324491Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57367}

src/flag-definitions.h

@@ -216,7 +216,6 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_private_fields)
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_STAGED(V)                        \
   HARMONY_STAGED_BASE(V)                         \
-  V(harmony_intl_list_format, "Intl.ListFormat") \
   V(harmony_intl_segmenter, "Intl.Segmenter")
 #else
 #define HARMONY_STAGED(V) HARMONY_STAGED_BASE(V)
@@ -240,6 +239,7 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_private_fields)
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_SHIPPING(V)                      \
   HARMONY_SHIPPING_BASE(V)                       \
+  V(harmony_intl_list_format, "Intl.ListFormat") \
   V(harmony_intl_relative_time_format, "Intl.RelativeTimeFormat")
 #else
 #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)