Add support for korean-hangul-formal list style type

LayoutTests/fast/lists/li-values-expected.txt

Index: LayoutTests/fast/lists/li-values-expected.txt
diff --git a/LayoutTests/fast/lists/li-values-expected.txt b/LayoutTests/fast/lists/li-values-expected.txt
index ecdeda862f2af2e3f095e8f49d37d8ad3a6920b5..19374e5e4575c8280d6a1a0e5fe2aeb96012f047 100644
--- a/LayoutTests/fast/lists/li-values-expected.txt
+++ b/LayoutTests/fast/lists/li-values-expected.txt
@@ -3,6 +3,7 @@
 0 The list marker should show 0.
 1 The list marker should show 1 (invalid values are ignored).
 -5 The list marker should show -5 (updated programmatically).
+마이너스 일 The list marker should show -1 (negative values are allowed).
 -1 The list marker should fall back to decimal -1 (hebrew: 1-infinite).
 0 The list marker should fall back to decimal 0 (simple-upper-roman: 1-4999).
 0 The list marker should fall back to decimal 0 (simple-lower-roman: 1-4999).
@@ -15,7 +16,6 @@
 0 The list marker should fall back to decimal 0 (ancient-tamil: 1-9999).
 -1 The list marker should fall back to cjk-decimal -1 (japanese-informal: 0-9999).
 -1 The list marker should fall back to cjk-decimal -1 (japanese-formal: 0-9999).
--1 The list marker should fall back to decimal -1 (korean-hangul-formal: 0-9999).
 -1 The list marker should fall back to decimal -1 (korean-hanja-informal: 0-9999).
 -1 The list marker should fall back to decimal -1 (korean-hanja-formal: 0-9999).
 0 The list marker should fall back to decimal 0 (greek: 1-999).