make system_app_data_file shareable over binder
Apps should be able to share their private files over binder,
including system_app.
Bug: 188869889
Test: go to setting ==> system ==> multi-users ==> tap icon to change
profile photo with camera
Change-Id: I3dc732f727b9b697c9a73f6089392690109ae035
diff --git a/public/app.te b/public/app.te
index ae8d7fd..a49faaf 100644
--- a/public/app.te
+++ b/public/app.te
@@ -70,7 +70,7 @@
allow { appdomain -isolated_app -mlstrustedsubject } { app_data_file privapp_data_file }:file create_file_perms;
# Access via already open fds is ok even for mlstrustedsubject.
-allow { appdomain -isolated_app } { app_data_file privapp_data_file }:file { getattr map read write };
+allow { appdomain -isolated_app } { app_data_file privapp_data_file system_app_data_file }:file { getattr map read write };
# Traverse into expanded storage
allow appdomain mnt_expand_file:dir r_dir_perms;