Include a shared media team OWNERS for easier management

Bug: 162786146
Test: n
Change-Id: I19e08c106dc0574ff26571b2aab8f94b751e3590
diff --git a/OWNERS b/OWNERS
index 93337af..d0cdf72 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,4 +1,3 @@
-# Default code reviewers picked from top 3 or more developers.
-# Please update this list if you find better candidates.
+# owners for external/tremolo
+include platform/frameworks/av:/media/janitors/OWNERS-codecs
 marcone@google.com
-dwkang@google.com