[Android] Execute browser callbacks in a dedicated thread

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Mar  8 14:21:08 2017 +0100| [2d7180242275cab6456759ddfae555bdec163ace] | committer: Geoffrey Métais

Execute browser callbacks in a dedicated thread

> https://code.videolan.org/videolan/vlc-android/commit/2d7180242275cab6456759ddfae555bdec163ace
---

 .../vlc/gui/browser/BaseBrowserFragment.java       | 198 ++++++++++++++-------
 .../vlc/gui/browser/FilePickerFragment.java        |  10 +-
 .../vlc/gui/browser/NetworkBrowserFragment.java    |   7 +-
 .../vlc/gui/tv/browser/MediaSortedFragment.java    | 105 ++++++++---
 .../vlc/gui/tv/browser/NetworkBrowserFragment.java |  13 +-
 5 files changed, 232 insertions(+), 101 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/2d7180242275cab6456759ddfae555bdec163ace