Add default code reviewers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: Ic2dac54d327cfc22ad784f904cb7900f8361595f
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..768a595
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,4 @@
+# This project has no significant updates recently.
+# Please update this list if you find better candidates.
+rtenneti@google.com
+dsandler@android.com