Add default code reviewers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: I58c70cce1177ccd2ba2a7cc3b731e2df23918877
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..ebba5c7
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,8 @@
+# Default code reviewers picked from top 3 or more developers.
+# Please update this list if you find better candidates.
+# sriniv@google.com # not found in AOSP Gerrit yet
+ajchen@google.com
+arnaudberry@google.com
+igorr@google.com
+robertoalexis@google.com
+sdai@google.com