Snap for 6544675 from ebc1030f65bb1e1e7dccf99e56a5d0221f097fdb to rvc-release

Change-Id: Icd0e65b905da537b43498b94b7e4d0424837c9d1
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
new file mode 100644
index 0000000..ecf8b8e
--- /dev/null
+++ b/PREUPLOAD.cfg
@@ -0,0 +1,2 @@
+[Hook Scripts]
+mainline_hook = ${REPO_ROOT}/frameworks/av/tools/mainline_hook_project.sh