CHROMIUM: Add an OWNERS file

Add an OWNERS file which simply references the main repo OWNERS.

BUG=b:209870982
TEST=none

Change-Id: Ice27dd069489e721e515b769b8670b66a10019ec
diff --git a/OWNERS b/OWNERS
index 1a00c57..98196ed 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,2 +1 @@
-peress@google.com
-pfagerburg@google.com
+include chromiumos/third_party/zephyr:main:/OWNERS