prebuilt.conf: updating FULL_BINHOST

Change-Id: I4288f19aee99618612bf297efc756b346ffc2f15
diff --git a/overlay-amd64-generic/prebuilt.conf b/overlay-amd64-generic/prebuilt.conf
index c372cc3..44a9702 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-2014.05.20.221809/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-generic/full-2014.05.21.002418/packages/"