prebuilt.conf: updating FULL_BINHOST

Change-Id: I7b5a1609e7332ba1ed8a61ad87810bc9fc38ee46
diff --git a/overlay-oak/prebuilt.conf b/overlay-oak/prebuilt.conf
index f45a72e..9e16819 100644
--- a/overlay-oak/prebuilt.conf
+++ b/overlay-oak/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-2015.05.11.205708/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-2015.05.11.225947/packages/"