Add SEPolicy for CarService to access WifiScanner

Test: manually, verified that
CarProjectionManager#getAvailableWifiChannels works.

Bug: 145996322

Change-Id: I455607258def4d01f52b5d0cd35d19951b1324a5
diff --git a/car_product/sepolicy/private/carservice_app.te b/car_product/sepolicy/private/carservice_app.te
index 6e65a8f..05c7b3f 100644
--- a/car_product/sepolicy/private/carservice_app.te
+++ b/car_product/sepolicy/private/carservice_app.te
@@ -15,8 +15,6 @@
 # Allow Car Service to register its stats service with ServiceManager
 add_service(carservice_app, carstats_service)
 
-allow carservice_app wifi_service:service_manager find;
-
 # Allow Car Service to access certain system services.
 # Keep alphabetically sorted.
 allow carservice_app {
@@ -44,6 +42,8 @@
     telecom_service
     uimode_service
     voiceinteraction_service
+    wifi_service
+    wifiscanner_service
 }:service_manager find;
 
 # Read and write /data/data subdirectory.