Fix prebuilts/ submodule link

Change-Id: Idda117c99f71b3adb32bceaf163681e47c2b163b
diff --git a/prebuilts b/prebuilts
index d2f23ab..80621bb 160000
--- a/prebuilts
+++ b/prebuilts
@@ -1 +1 @@
-Subproject commit d2f23ab934ec1e0196240bef4829ad0a005afc68
+Subproject commit 80621bb84d78cda9aab9799d6afd5eeb8cf5e647