omni: Add frameworks/av to aosp-forked-list

Change-Id: I0a3b78359c60aa0250f742b6b7c2011088d958ea
diff --git a/utils/aosp-forked-list b/utils/aosp-forked-list
index 179f270..62ae4a4 100644
--- a/utils/aosp-forked-list
+++ b/utils/aosp-forked-list
@@ -3,6 +3,7 @@
 build/soong
 external/drm_hwcomposer
 external/wpa_supplicant_8
+frameworks/av
 frameworks/base
 frameworks/native
 hardware/interfaces