libvlc.sym: add missing  libvlc_media_player_set_android_context
libvlc.sym: add missing  libvlc_media_player_set_android_context

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc