[Android] Animate sort & headers button disappearence

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu May  2 17:27:03 2019 +0200| [f01b7c802bcc6ce151fb8932d1e5f45fc559365d] | committer: Geoffrey Métais

Animate sort & headers button disappearence

This will help users understand how to use the FAB during TV browsing

> https://code.videolan.org/videolan/vlc-android/commit/f01b7c802bcc6ce151fb8932d1e5f45fc559365d
---

 vlc-android/res/layout/song_browser.xml            | 248 ++++++++++-----------
 .../vlc/gui/tv/browser/AudioBrowserTvFragment.kt   |  81 +++++--
 2 files changed, 183 insertions(+), 146 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/f01b7c802bcc6ce151fb8932d1e5f45fc559365d