[MediaContent] Add missing deprecation description (#5956)

diff --git a/src/Tizen.Content.MediaContent/Tizen.Content.MediaContent/MediaInfoCommand.cs b/src/Tizen.Content.MediaContent/Tizen.Content.MediaContent/MediaInfoCommand.cs
index 708b9bd..8adf818 100644 (file)
--- a/src/Tizen.Content.MediaContent/Tizen.Content.MediaContent/MediaInfoCommand.cs
+++ b/src/Tizen.Content.MediaContent/Tizen.Content.MediaContent/MediaInfoCommand.cs
@@ -128,6 +128,7 @@ namespace Tizen.Content.MediaContent
         /// <exception cref="ArgumentNullException"><paramref name="mediaId"/> is null.</exception>
         /// <exception cref="ArgumentException"><paramref name="mediaId"/> is a zero-length string, contains only white space.</exception>
         /// <since_tizen> 4 </since_tizen>
+        [Obsolete("Deprecated since API11. Will be removed in API13.")]
         public int CountFaceInfo(string mediaId)
         {
             return CountFaceInfo(mediaId, null);