point to new repo hooks for mainline uploads am: 9087c50905 am: 5402bcf5ed

Change-Id: Ie6e392cc8ca1c2ef3c4b876808627206d43fc938
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