sepolicy: [AISW-7895] Allow gralloc for hardware buffer

Add SE policy to allow neural network vendor driver to
allocate hardware buffer via Gralloc

Change-Id: Icf4a230df70d1adab987a929134572247b640ddf
diff --git a/generic/vendor/common/hal_neuralnetworks.te b/generic/vendor/common/hal_neuralnetworks.te
index 6cab921..e1b67d9 100644
--- a/generic/vendor/common/hal_neuralnetworks.te
+++ b/generic/vendor/common/hal_neuralnetworks.te
@@ -27,6 +27,7 @@
 
 type vendor_hal_neuralnetworks_default, domain;
 hal_server_domain(vendor_hal_neuralnetworks_default, hal_neuralnetworks)
+hal_client_domain(vendor_hal_neuralnetworks_default, hal_graphics_allocator)
 
 type vendor_hal_neuralnetworks_default_exec, exec_type, vendor_file_type, file_type;
 init_daemon_domain(vendor_hal_neuralnetworks_default)