privapps-permission: Make REQUEST_NETWORK_SCORES a privilged permission

The wifi stack (signed by Google on non-Pixel devices) need to obtain this permission,
so it can no longer be signature only.

Bug: 113174748
Test: Compiles
Change-Id: Id9557a6d164a40698ee7d1e5926e56fd616868d0
diff --git a/data/etc/com.android.settings.xml b/data/etc/com.android.settings.xml
index 3e53a38..72be9f5 100644
--- a/data/etc/com.android.settings.xml
+++ b/data/etc/com.android.settings.xml
@@ -41,6 +41,7 @@
         <permission name="android.permission.PACKAGE_USAGE_STATS"/>
         <permission name="android.permission.READ_SEARCH_INDEXABLES"/>
         <permission name="android.permission.REBOOT"/>
+        <permission name="android.permission.REQUEST_NETWORK_SCORES"/>
         <permission name="android.permission.SET_TIME"/>
         <permission name="android.permission.STATUS_BAR"/>
         <permission name="android.permission.TETHER_PRIVILEGED"/>