Eliminate the "productivity_device" setting.

            android:name=".LauncherActivity"

            android:theme="@android:style/Theme.NoDisplay"

            android:icon="@drawable/ic_files_app"

            android:label="@string/files_label"

            android:enabled="@bool/productivity_device">

            android:label="@string/files_label">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

    <!-- Allow Advanced Devices default value to be customised -->

    <bool name="config_defaultAdvancedDevices">false</bool>

    <bool name="productivity_device">true</bool>

    <!-- Intentionally unset. Vendors should set this in an overlay. -->

    <string name="trusted_quick_viewer_package"></string>

</resources>