Allow NNAPI HAL services access model files provided by privapp.

Bug: 131169221
Test: mm
Change-Id: I1004821bd30e2a0586b14178e352e885cabfc002
(cherry picked from commit aa568e1c79aa8509b0c1a33dbba1872ffd874c0b)
diff --git a/public/hal_neuralnetworks.te b/public/hal_neuralnetworks.te
index c2549ff..1ef6cad 100644
--- a/public/hal_neuralnetworks.te
+++ b/public/hal_neuralnetworks.te
@@ -8,6 +8,7 @@
 
 # Allow NN HAL service to use a client-provided fd residing in /data/data/.
 allow hal_neuralnetworks_server app_data_file:file { read write getattr map };
+allow hal_neuralnetworks_server privapp_data_file:file { read write getattr map };
 
 # Allow NN HAL service to use a client-provided fd residing in /data/local/tmp/.
 allow hal_neuralnetworks_server shell_data_file:file { read write getattr map };