Add default active developers into OWNERS
am: 4254257674

Change-Id: I83608343828f8ffab3605b54506fe61b75bbd08f
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..4d9907d
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+yim@google.com