Add OWNERS file

Test: TreeHugger
Change-Id: I4d0ed68fd9777a7f85687c6c0b0c0383db8c8053
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..5e339a8
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+# Please go through go/android-3p process if you need this project in the future.
+
+include platform/system/core:/janitors/OWNERS