Add default active developers into OWNERS
am: 785781d5bf

Change-Id: If4bcf62d200b8b3afa09210a128150850ab50dfe
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..4d9907d
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+yim@google.com