android_window: check subtitles bounds

(fixes #13350)

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
demux: mpc: fix replaygain calculation (fixes #13176)

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
libvlc_media_list: missing vlc_mutex_destroy

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>