prebuilt.conf: updating FULL_BINHOST

Change-Id: I3b02411a612e4eb4436455e9ebfa14793fb6fc80
diff --git a/overlay-amd64-generic/prebuilt.conf b/overlay-amd64-generic/prebuilt.conf
index 56e697f9..37438a9 100644
--- a/overlay-amd64-generic/prebuilt.conf
+++ b/overlay-amd64-generic/prebuilt.conf
@@ -1,2 +1,2 @@
 
-FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-generic/full-2015.05.11.190358/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-generic/full-2015.05.11.221657/packages/"