[Android] ABRepeat refactor common methods

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Mon Jan 27 09:47:55 2020 +0100| [bfa5ec18c18989cb5e25e9c1ea5ab863452e416e] | committer: Geoffrey Métais

ABRepeat refactor common methods

Fixes #1139

> https://code.videolan.org/videolan/vlc-android/commit/bfa5ec18c18989cb5e25e9c1ea5ab863452e416e
---

 application/vlc-android/res/layout/player_hud.xml  |  2 +-
 .../src/org/videolan/vlc/PlaybackService.kt        | 49 +++++++++++++++++
 .../src/org/videolan/vlc/gui/audio/AudioPlayer.kt  | 62 +++-------------------
 .../videolan/vlc/gui/video/VideoPlayerActivity.kt  | 54 ++-----------------
 4 files changed, 61 insertions(+), 106 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/bfa5ec18c18989cb5e25e9c1ea5ab863452e416e