[Android] Use coroutines for background tasks

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Apr  3 17:29:20 2018 +0200| [c3129d05cb5408d0c3e3e0f9f20517d41a1b2173] | committer: Geoffrey Métais

Use coroutines for background tasks

> https://code.videolan.org/videolan/vlc-android/commit/c3129d05cb5408d0c3e3e0f9f20517d41a1b2173
---

 .../src/org/videolan/vlc/PlaybackService.java      |  7 ++--
 .../org/videolan/vlc/RecommendationsService.java   |  3 +-
 .../src/org/videolan/vlc/VLCApplication.java       | 38 ++--------------------
 .../src/org/videolan/vlc/gui/AboutFragment.java    |  5 +--
 .../src/org/videolan/vlc/gui/InfoActivity.java     |  7 ++--
 .../src/org/videolan/vlc/gui/PlaylistActivity.java | 11 ++++---
 .../src/org/videolan/vlc/gui/SearchActivity.java   |  5 +--
 .../vlc/gui/audio/AudioBrowserFragment.java        |  3 +-
 .../vlc/gui/browser/BaseBrowserAdapter.java        |  3 +-
 .../vlc/gui/browser/FileBrowserFragment.java       |  5 +--
 .../vlc/gui/browser/MediaBrowserFragment.java      |  6 ++--
 .../vlc/gui/dialogs/SavePlaylistDialog.java        |  3 +-
 .../videolan/vlc/gui/helpers/AsyncImageLoader.java |  5 +--
 .../vlc/gui/helpers/MedialibraryUtils.java         |  3 +-
 .../vlc/gui/preferences/PreferencesAdvanced.java   |  7 ++--
 .../vlc/gui/tv/MediaItemDetailsFragment.java       |  5 +--
 .../org/videolan/vlc/gui/tv/SearchFragment.java    |  5 +--
 .../gui/tv/audioplayer/AudioPlayerActivity.java    |  6 ++--
 .../vlc/gui/tv/browser/SongsBrowserFragment.java   |  4 +--
 .../vlc/gui/video/VideoPlayerActivity.java         |  3 +-
 .../videolan/vlc/gui/view/AudioMediaSwitcher.java  |  6 ++--
 .../src/org/videolan/vlc/util/FileUtils.java       |  2 +-
 .../org/videolan/vlc/util/SubtitlesDownloader.java | 10 +++---
 .../org/videolan/vlc/util/ThumbnailsProvider.java  |  2 +-
 .../src/org/videolan/vlc/util/VLCInstance.java     |  2 +-
 vlc-android/src/org/videolan/vlc/util/Workers.kt   | 17 ++++++++++
 .../videolan/vlc/widget/VLCAppWidgetProvider.java  |  5 +--
 27 files changed, 89 insertions(+), 89 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/c3129d05cb5408d0c3e3e0f9f20517d41a1b2173