prebuilt.conf: updating FULL_BINHOST

Change-Id: I8fd1fdfb6becabf922be2997e6893c9a3fe39b11
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/board-overlays/+/2276475
diff --git a/overlay-oak/prebuilt.conf b/overlay-oak/prebuilt.conf
index 3f62d25..18c1340 100644
--- a/overlay-oak/prebuilt.conf
+++ b/overlay-oak/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-R86-13317.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/oak/full-R86-13317.0.0-rc2/packages/"