l10n: Simplified Chinese update

Signed-off-by: Christoph Miebach <christoph.miebach@web.de>

vlc-android/res/values-zh-rCN/strings.xml

@@ -88,7 +88,7 @@
     <string name="surface_fill">填充</string>
     <string name="surface_original">居中</string>
     <string name="thumbnail">缩略图</string>
-    <string name="unseekable_stream">非跳转串流</string>
+    <string name="unseekable_stream">播放时不支持定位的流</string>
     <string name="refresh">刷新</string>
     <string name="track_audio">音频轨</string>
     <string name="track_video">视频轨</string>
@@ -137,7 +137,7 @@
     <string name="playlist_tips">播放列表提示</string>
     <string name="remove_song">移除曲目</string>
     <string name="rearrange_order">重排 </string>
-    <string name="hold_to_seek">按住可改变进度</string>
+    <string name="hold_to_seek">按住可快进/快退</string>
     <string name="audio_player_tips">音频播放器提示</string>
     <string name="previous_next_song">上/下一曲</string>
     <string name="show_playlist">显示播放列表</string>