[Android] Replace custom fast scroller by AndroidX one

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Fri Nov 16 16:03:50 2018 +0100| [30106d51559d1ecaf76fa0608afaddba9394a043] | committer: Geoffrey Métais

Replace custom fast scroller by AndroidX one

Section display still to be replaced

> https://code.videolan.org/videolan/vlc-android/commit/30106d51559d1ecaf76fa0608afaddba9394a043
---

 .../res/drawable-mdpi/fastscroll_thumb_pressed.xml |  20 ++
 vlc-android/res/drawable/fastscroll_thumb.xml      |  20 ++
 .../res/drawable/fastscroll_thumb_drawable.xml     |   9 +
 vlc-android/res/drawable/fastscroll_track.xml      |  12 +
 .../res/drawable/fastscroll_track_drawable.xml     |   9 +
 vlc-android/res/layout/audio_albums_songs.xml      |   8 -
 vlc-android/res/layout/audio_browser.xml           |  14 +-
 vlc-android/res/layout/audio_recyclerview.xml      |   7 +-
 .../vlc/gui/audio/AudioAlbumsSongsFragment.java    |  32 ++-
 .../vlc/gui/audio/AudioBrowserFragment.java        |   8 +-
 .../videolan/vlc/gui/audio/BaseAudioBrowser.java   |  23 +-
 .../org/videolan/vlc/gui/view/FastScroller.java    | 263 ---------------------
 12 files changed, 112 insertions(+), 313 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/30106d51559d1ecaf76fa0608afaddba9394a043