Audit /dev access that might no longer be needed after Treble

Bug: 110962171
Test: boot aosp_walleye, aosp_blueline, no log spam from new audit
Change-Id: Ibeeb317e2cf15584395e3dbb73eb01b827e19a09

private/coredomain.te

@@ -105,3 +105,14 @@ full_treble_only(`
     -init
   }{ usbfs binfmt_miscfs }:file no_rw_file_perms;
 ')
+
+# Audit coredomain access to /dev nodes that might no longer be needed after
+# Treble.
+userdebug_or_eng(`
+    auditallow coredomain {
+        audio_device
+        iio_device
+        radio_device
+        tee_device
+    }:chr_file { open read append write ioctl };
+')