Contacts: Make app name string overlayable

        <!-- The main Contacts activity with the contact list, favorites, and groups. -->

        <activity android:name=".activities.PeopleActivity"

            android:label="@string/people"

            android:label="@string/app_name"

            android:theme="@style/PeopleTheme"

            android:screenOrientation="nosensor"

            android:uiOptions="splitActionBarWhenNarrow"

<resources>

    <!-- CMCC feature -->

    <bool name="config_show_quick_call_button" translatable="false">false</bool>

    <string name="app_name">@string/people</string>

</resources>

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