libs/androidfw/tests/data/overlayable/res/values/overlayable.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2018 The Android Open Source 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.
-->

<resources>
<overlayable>
    <!-- Any overlay can overlay the value of @string/overlayable1 -->
    <item type="string" name="overlayable1" />

    <!-- Any overlay on the product or system partition can overlay the value of
        @string/overlayable2 -->
    <policy type="product|system">
        <item type="string" name="overlayable2" />
    </policy>

    <!-- Any overlay can overlay the value of @string/overlayable4 -->
    <policy type="public">
        <item type="string" name="overlayable4" />
    </policy>
</overlayable>

<overlayable>
    <!-- Any overlay on the product_services, vendor, or product partition can overlay the value of
   @string/overlayable3 -->
    <policy type="product_services|vendor|product">
        <item type="string" name="overlayable3" />
    </policy>
</overlayable>
</resources>