point to new repo hooks for mainline uploads am: 6129152b6f am: dd444fd8db

Change-Id: I733b9c2e04eb8521b14753df76190579f60e3dd7
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 86b6de3..ecf8b8e 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,2 +1,2 @@
 [Hook Scripts]
-mainline_hook = ${REPO_ROOT}/frameworks/av/tools/mainline_hook.sh
+mainline_hook = ${REPO_ROOT}/frameworks/av/tools/mainline_hook_project.sh