overlay: Use CarrierSettings app instead of CarrierConfig

The CarrierSettings app enables/disables carrier apps based on sim
inserted, so use it instead of CarrierConfig.

Change-Id: I163dd615e9d8268c5f94a28ae234a30f74c7e83b

overlay-lineage/packages/services/Telephony/res/values/config.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021, The LineageOS Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- Phone app resources that may need to be customized
+     for different hardware or product builds. -->
+<resources>
+    <!-- The package name for the platform carrier config app, bundled with system image. -->
+    <string name="platform_carrier_config_package" translatable="false">com.google.android.carrier</string>
+</resources>