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/fixed-dtoa.cc b/src/fixed-dtoa.cc
index 7856b13..a33ba17 100644
--- a/src/fixed-dtoa.cc
+++ b/src/fixed-dtoa.cc
@@ -382,4 +382,5 @@
   return true;
 }
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8