Add backup string for a platform setting to enable or disable

    <string name="play_media_notification_sounds_enable_summary_on">Play sound for SD card notifications</string>

    <!-- Sound settings screen, setting option summary text when check box is clear -->

    <string name="play_media_notification_sounds_enable_summary_off">Play sound for SD card notifications</string>

    <!-- Sound settings screen, setting option name checkbox to enable/disable audio recording features that improve audio recording in noisy environments -->

    <string name="audio_record_proc_title">Noise cancellation</string>

    <!-- Sound settings screen, setting option summary text -->

    <string name="audio_record_proc_summary">Suppress background noise when speaking or recording.</string>

    <!-- Acounts & Sync settings screen setting option name to go into the screen for data sync settings-->

    <string name="sync_settings">Accounts &amp; sync</string>