[Android] Replace launch(UI) by uiJob for readability

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Fri Jun  8 15:22:24 2018 +0200| [4a12ec52651c41fe668d36c16414adab20591c3e] | committer: Geoffrey Métais

Replace launch(UI) by uiJob for readability

> https://code.videolan.org/videolan/vlc-android/commit/4a12ec52651c41fe668d36c16414adab20591c3e
---

 .../src/org/videolan/vlc/PlaybackService.kt        |  3 +-
 .../src/org/videolan/vlc/RendererDelegate.kt       |  6 +--
 .../src/org/videolan/vlc/media/PlayerController.kt |  9 ++--
 .../src/org/videolan/vlc/media/PlaylistManager.kt  | 63 ++++++++++------------
 .../org/videolan/vlc/providers/BrowserProvider.kt  | 11 ++--
 vlc-android/src/org/videolan/vlc/util/Workers.kt   |  5 +-
 .../src/org/videolan/vlc/viewmodels/BaseModel.kt   |  4 +-
 7 files changed, 47 insertions(+), 54 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/4a12ec52651c41fe668d36c16414adab20591c3e