[Android] Migrate AudioBrowserAdapter to kotlin

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas.pomepuy at gmail.com> | Wed Apr 17 15:42:00 2019 +0200| [7f08d06683d0a0f64dd98db5132822f7967a0486] | committer: Geoffrey Métais

Migrate AudioBrowserAdapter to kotlin

> https://code.videolan.org/videolan/vlc-android/commit/7f08d06683d0a0f64dd98db5132822f7967a0486
---

 .../vlc/gui/audio/AudioBrowserAdapter.java         | 492 ---------------------
 .../videolan/vlc/gui/audio/AudioBrowserAdapter.kt  | 411 +++++++++++++++++
 2 files changed, 411 insertions(+), 492 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/7f08d06683d0a0f64dd98db5132822f7967a0486