Add OWNERS file

Set the owners follow factory repo owners.

BUG=None
TEST=None

Change-Id: I2fbfd77190266dfdc62ff7091856d80754f9437f
Reviewed-on: https://chromium-review.googlesource.com/1632058
Commit-Ready: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..c8e7fff
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+# The graphyte is currently maintained by Chrome OS factory team.
+include chromiumos/platform/factory:OWNERS