update sc-mainline-prod -> tm_mainline_prod

Also add OWNERS file to this directory

Bug: 247992660
Test: manual
Change-Id: I815d40523f7b62bc0ee05cc3324974f5cc9d0628
diff --git a/tools/OWNERS b/tools/OWNERS
new file mode 100644
index 0000000..7598c6f
--- /dev/null
+++ b/tools/OWNERS
@@ -0,0 +1,5 @@
+# Bug component: 1344
+essick@google.com
+
+# reliability builds mainline trains, so needs to manage these scripts
+include platform/frameworks/av/:/media/janitors/reliability_mainline_OWNERS