Add character limit for app_link_open_always_summary string

    <!-- Explanation that the app that will NEVER be launched to open web links to domains that it understands -->

    <string name="app_link_open_never">Don&#8217;t allow app to open links</string>

    <!-- Summary for allow app to open supported links [CHAR LIMIT=42] -->

    <plurals name="app_link_open_always_summary">

        <item quantity="one">App claims to handle <xliff:g id="count">%d</xliff:g> link</item>

        <item quantity="other">App claims to handle <xliff:g id="count">%d</xliff:g> links</item>