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/regress/regress-function-length-strict.js b/test/mjsunit/regress/regress-function-length-strict.js
index 700f34a..77cca24 100644
--- a/test/mjsunit/regress/regress-function-length-strict.js
+++ b/test/mjsunit/regress/regress-function-length-strict.js
@@ -37,5 +37,5 @@
 assertEquals(3, desc.value);
 assertFalse(desc.writable);
 assertFalse(desc.enumerable);
-assertFalse(desc.configurable);
+assertTrue(desc.configurable);
 assertThrows(function() { foo.length = 2; }, TypeError);