Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/icu_util.h b/src/icu_util.h
index cd98ff0..c308dec 100644
--- a/src/icu_util.h
+++ b/src/icu_util.h
@@ -14,6 +14,7 @@
 // function should be called before ICU is used.
 bool InitializeICU(const char* icu_data_file);
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_ICU_UTIL_H_