update_engine: Add OWNERS file.

BUG=None
TEST=None

Change-Id: I22aa9ef1a8588118506fba0d26da9981c3b2f476
Reviewed-on: https://chromium-review.googlesource.com/210871
Commit-Queue: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..fafbecc
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,4 @@
+set noparent
+deymo@chromium.org
+garnold@chromium.org
+zeuthen@chromium.org