[Android] Code cleaning

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Aug  2 15:33:53 2017 +0200| [e9dc5989d26484b3e23b97a93ad3c7391713f523] | committer: Geoffrey Métais

Code cleaning

> https://code.videolan.org/videolan/vlc-android/commit/e9dc5989d26484b3e23b97a93ad3c7391713f523
---

 .../vlc/gui/audio/AudioBrowserFragment.java        | 169 +++++----------------
 .../vlc/gui/browser/BaseBrowserFragment.java       |  10 +-
 .../videolan/vlc/gui/video/VideoGridFragment.java  |  47 +++---
 3 files changed, 66 insertions(+), 160 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/e9dc5989d26484b3e23b97a93ad3c7391713f523