[Android] Tests: fix build

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Fri Dec  6 15:37:35 2019 +0100| [befa46a4af420f7db6e79cf4187914660cd64150] | committer: Geoffrey Métais

Tests: fix build

> https://code.videolan.org/videolan/vlc-android/commit/befa46a4af420f7db6e79cf4187914660cd64150
---

 build.gradle                                       |   2 +-
 .../org/videolan/vlc/providers/BrowserProvider.kt  |  18 +--
 .../vlc/viewmodels/mobile/AudioBrowserViewModel.kt |   4 +-
 .../vlc/viewmodels/browser/FileBrowserModelTest.kt |  11 +-
 .../vlc/viewmodels/browser/FilePickerModelTest.kt  |  11 +-
 .../vlc/viewmodels/browser/NetworkModelTest.kt     |   2 +-
 .../vlc/viewmodels/browser/StorageModelTest.kt     |  10 +-
 .../vlc/viewmodels/mobile/FoldersViewModelTest.kt  | 144 ---------------------
 8 files changed, 25 insertions(+), 177 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/befa46a4af420f7db6e79cf4187914660cd64150