l10n: Simplified Chinese update

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

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

@@ -138,6 +138,10 @@
     <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="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>
+    <string name="hold_to_stop">按住可停止</string>
     <!-- About -->
     <string name="app_name_full">VLC for Android™</string>
     <string name="licence">授权许可</string>