prebuilt.conf: updating FULL_BINHOST

Change-Id: I6efb529242853d135f5bb45270af78f34f684de1
diff --git a/overlay-kevin/prebuilt.conf b/overlay-kevin/prebuilt.conf
index 5e8eb12..33045c0 100644
--- a/overlay-kevin/prebuilt.conf
+++ b/overlay-kevin/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/kevin/full-R69-10894.0.0-rc2/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/kevin/full-R69-10894.0.0-rc3/packages/"