[Android] Save cover or list display in audio player

[Geoffrey Métais]

vlc-android | branch: 2.5.x | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Nov  8 14:15:16 2017 +0100| [9e689502500d309394000a70d90126b9250aa684] | committer: Geoffrey Métais

Save cover or list display in audio player

Close #410

(cherry picked from commit 451d5cafc7a7d80bb37ad43e5aa24ea73d0f8448)

> https://code.videolan.org/videolan/vlc-android/commit/9e689502500d309394000a70d90126b9250aa684
---

 vlc-android/res/layout/audio_player.xml            |  7 ++-
 .../org/videolan/vlc/gui/audio/AudioPlayer.java    | 58 ++++++++--------------
 2 files changed, 26 insertions(+), 39 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/9e689502500d309394000a70d90126b9250aa684