prebuilt.conf: updating FULL_BINHOST

Change-Id: I4001e428b52f252090d876e7c25a8d2b15d8fed0
diff --git a/overlay-amd64-generic/prebuilt.conf b/overlay-amd64-generic/prebuilt.conf
index 7770a4b..663b4db 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-R69-10827.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/amd64-generic/full-R69-10827.0.0-rc2/packages/"