Merge "Update media output string to "Sharing audio"" into main

    <string name="media_output_default_summary">This device</string>

    <!-- Summary for media output when audio sharing. [CHAR LIMIT=NONE] -->

    <string name="media_output_audio_sharing">Audio sharing</string>

    <string name="media_output_audio_sharing">Sharing audio</string>

    <!-- Summary for media output settings when device is in ongoing call state. -->

    <string name="media_out_summary_ongoing_call_state">Unavailable during calls</string>