[Android] Audio player: add a media switcher to the sliding up player

[Adrien Maglo]

vlc-ports/android | branch: master | Adrien Maglo <magsoft at videolan.org> | Tue Jan 14 10:27:51 2014 +0100| [3f29a9cf40d860527aca1a2eef72fe06aa776ce6] | committer: Adrien Maglo

Audio player: add a media switcher to the sliding up player

The user can display the previous and next media to play by scrolling it.
For now, scrolling it does not trigger previous and next item playback.

> http://git.videolan.org/gitweb.cgi/vlc-ports/android.git/?a=commit;h=3f29a9cf40d860527aca1a2eef72fe06aa776ce6
---

 .../res/layout/audio_media_switcher_item.xml       |   41 +++++++++
 vlc-android/res/layout/audio_player.xml            |   39 ++-------
 .../videolan/vlc/widget/AudioMediaSwitcher.java    |   87 ++++++++++++++++++++
 .../org/videolan/vlc/widget/AudioMiniPlayer.java   |   31 ++-----
 4 files changed, 142 insertions(+), 56 deletions(-)

Diff:   http://git.videolan.org/gitweb.cgi/vlc-ports/android.git/?a=commitdiff;h=3f29a9cf40d860527aca1a2eef72fe06aa776ce6