prebuilt.conf: updating FULL_BINHOST

Change-Id: Ic70837f6a6592753db7f37d23509c1baa4b83b7c
diff --git a/overlay-amd64-host/prebuilt.conf b/overlay-amd64-host/prebuilt.conf
index 5b19dd0..2d696ca 100644
--- a/overlay-amd64-host/prebuilt.conf
+++ b/overlay-amd64-host/prebuilt.conf
@@ -1,2 +1,2 @@
 
-FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-host/chroot-2016.07.27.061029/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-host/chroot-2016.07.27.184509/packages/"