[Android] Fix playlist current track higlight

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Sep 20 13:05:52 2018 +0200| [ee1d43e95c4c99aec78abede5ba14332ac14febd] | committer: Geoffrey Métais

Fix playlist current track higlight

> https://code.videolan.org/videolan/vlc-android/commit/ee1d43e95c4c99aec78abede5ba14332ac14febd
---

 .../src/org/videolan/vlc/gui/audio/AudioPlayer.kt  | 19 ++++---
 .../videolan/vlc/gui/audio/PlaylistAdapter.java    | 58 ++++++++++------------
 .../vlc/gui/video/VideoPlayerActivity.java         |  7 ++-
 .../org/videolan/vlc/viewmodels/PlaylistModel.kt   | 29 +++++++++--
 4 files changed, 69 insertions(+), 44 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/ee1d43e95c4c99aec78abede5ba14332ac14febd