Add default code reviewers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: I5ad38887566097e26a45acd551a28241b9506944
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..7d3e64d
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,4 @@
+# Default code reviewers picked from top 3 or more developers.
+# Please update this list if you find better candidates.
[email protected]
[email protected]