Allow hals to read hwservicemanager prop.

Test: no relevant denials on marlin while booting
Test: no relevant denials on angler while booting
Bug: 36278706
Change-Id: Ieba79e1c8fca4f74c63bc63e6dd0bdcf59204ca2
diff --git a/public/mediacodec.te b/public/mediacodec.te
index 6ab90eb..f0e7e9a 100644
--- a/public/mediacodec.te
+++ b/public/mediacodec.te
@@ -4,6 +4,10 @@
 
 typeattribute mediacodec mlstrustedsubject;
 
+# TODO(b/36375899) attributize this domain appropriately as hal_omx
+# and use macro hal_server_domain
+get_prop(mediacodec, hwservicemanager_prop)
+
 binder_use(mediacodec)
 binder_call(mediacodec, binderservicedomain)
 binder_call(mediacodec, appdomain)