[Android] TV: Use UI scope to update background

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Jul  3 15:09:33 2019 +0200| [410fe8e8f7d8d92485edde4f9aefb844b15d162f] | committer: Geoffrey Métais

TV: Use UI scope to update background

> https://code.videolan.org/videolan/vlc-android/commit/410fe8e8f7d8d92485edde4f9aefb844b15d162f
---

 .../src/org/videolan/vlc/gui/tv/MainTvFragment.kt  | 18 +++--
 vlc-android/src/org/videolan/vlc/gui/tv/TvUtil.kt  | 83 ++++++++++------------
 .../vlc/gui/tv/browser/BaseBrowserTvFragment.kt    |  7 +-
 .../vlc/gui/tv/browser/CategoriesFragment.kt       | 17 ++++-
 .../vlc/gui/tv/details/MediaListActivity.kt        | 21 +++---
 .../src/org/videolan/vlc/util/VLCOptions.kt        |  7 +-
 6 files changed, 84 insertions(+), 69 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/410fe8e8f7d8d92485edde4f9aefb844b15d162f