Add default code reviewers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: I5e6f5eeef5dba31d47d817ba1ad9eb1b1d7704d2
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..dce7304
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,4 @@
+# This project is 4+ years old, uploaded by ryan.yu@mediatek.com
+# Please update this list if you find better candidates.
+jeffbailey@google.com
+rtenneti@google.com