[Android] Refactor multi-selection in audio

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Sep  6 15:45:17 2018 +0200| [c7a8a88e01e0fd725348f2e2488f20e4753a4050] | committer: Geoffrey Métais

Refactor multi-selection in audio

> https://code.videolan.org/videolan/vlc-android/commit/c7a8a88e01e0fd725348f2e2488f20e4753a4050
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 .../src/org/videolan/vlc/gui/PlaylistActivity.java | 25 ++------
 .../vlc/gui/audio/AudioBrowserAdapter.java         | 68 ++++++++++------------
 .../videolan/vlc/gui/audio/BaseAudioBrowser.java   | 30 +++-------
 3 files changed, 44 insertions(+), 79 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/c7a8a88e01e0fd725348f2e2488f20e4753a4050