Add a new Intent for seeing permission usages

This intent is used by the Permissions Hub.

We also give PermissionController the GET_APP_OPS_STATS permission.

Bug: 63532550
Test: Used the Permissions Hub.
Change-Id: If1254f67c12fc5052d6ad5ff8260778a7c59dccc
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index 44f8737..28e92db 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -146,6 +146,7 @@
         <permission name="android.permission.CLEAR_APP_CACHE"/>
         <permission name="android.permission.MANAGE_USERS"/>
         <permission name="android.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS"/>
+        <permission name="android.permission.GET_APP_OPS_STATS"/>
         <permission name="android.permission.UPDATE_APP_OPS_STATS"/>
     </privapp-permissions>