prebuilt.conf: updating FULL_BINHOST

Change-Id: Ida79c7bc7fa4de4f695ad836cdd98cb260669c03
diff --git a/overlay-oak/prebuilt.conf b/overlay-oak/prebuilt.conf
index 09a8212..8b7e1ee 100644
--- a/overlay-oak/prebuilt.conf
+++ b/overlay-oak/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-2016.06.28.051247/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-2016.06.28.083151/packages/"