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/test/mjsunit/declare-locally.js b/test/mjsunit/declare-locally.js
index 20bfe6d..45d30e0 100644
--- a/test/mjsunit/declare-locally.js
+++ b/test/mjsunit/declare-locally.js
@@ -33,7 +33,7 @@
 // This exercises the code in runtime.cc in
 // DeclareGlobal...Locally().
 
-// Flags: --es52_globals
+// Flags: --legacy-const
 
 this.__proto__.foo = 42;
 this.__proto__.bar = 87;