[Android] Fix video player track re-selection on app switching + VideoPlayerActivity cleanup

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Tue Aug 11 08:17:18 2020 +0200| [547e25708051ac3c007ad29eaedd0feb8b554537] | committer: Nicolas Pomepuy

Fix video player track re-selection on app switching + VideoPlayerActivity cleanup

Fixes #1449

> https://code.videolan.org/videolan/vlc-android/commit/547e25708051ac3c007ad29eaedd0feb8b554537
---

 .../videolan/vlc/gui/dialogs/VideoTracksDialog.kt  | 13 ++--
 .../src/org/videolan/vlc/gui/helpers/UiTools.kt    |  3 +-
 .../videolan/vlc/gui/video/VideoPlayerActivity.kt  | 90 +++-------------------
 .../vlc/gui/video/VideoPlayerOverlayDelegate.kt    | 60 ++++++++-------
 4 files changed, 54 insertions(+), 112 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/547e25708051ac3c007ad29eaedd0feb8b554537