Update V8 to r5214 as required by WebKit r65072.

Change-Id: I387277a00cc0949597c0f69a8e4f2da60213c8f2
diff --git a/AUTHORS b/AUTHORS
index 7e8f1f8..4d87db3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -28,4 +28,5 @@
 Rodolph Perfetta <rodolph.perfetta@arm.com>
 Ryan Dahl <coldredlemur@gmail.com>
 Subrato K De <subratokde@codeaurora.org>
+Burcu Dogan <burcujdogan@gmail.com>