Allow apps to write to anr_data_file for /data/anr/traces.txt.

app.te

@@ -99,6 +99,10 @@ allow appdomain system_data_file:dir r_dir_perms;
 # Read/write wallpaper file (opened by system).
 allow appdomain wallpaper_file:file { read write };
 
+# Write to /data/anr/traces.txt.
+allow appdomain anr_data_file:dir search;
+allow appdomain anr_data_file:file { open append };
+
 # Use the Binder.
 binder_use(appdomain)
 # Perform binder IPC to binder services.

file.te

@@ -26,7 +26,7 @@ type system_data_file, file_type, data_file_type;
 # /data/drm - DRM plugin data
 type drm_data_file, file_type, data_file_type;
 # /data/anr - ANR traces
-type anr_data_file, file_type, data_file_type;
+type anr_data_file, file_type, data_file_type, mlstrustedobject;
 # /data/tombstones - core dumps
 type tombstone_data_file, file_type, data_file_type;
 # /data/app - user-installed apps