[Android] Migrate interfaces to kt

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas.pomepuy at gmail.com> | Thu Apr 18 09:49:04 2019 +0200| [ceffc2527a2a7ce4f53d76dba9f8a0bd5930cfc6] | committer: Geoffrey Métais

Migrate interfaces to kt

> https://code.videolan.org/videolan/vlc-android/commit/ceffc2527a2a7ce4f53d76dba9f8a0bd5930cfc6
---

 vlc-android/src/org/videolan/vlc/gui/ContentActivity.kt    |  2 +-
 vlc-android/src/org/videolan/vlc/gui/HistoryFragment.kt    |  2 +-
 .../src/org/videolan/vlc/gui/video/VideoGridFragment.kt    |  2 +-
 .../src/org/videolan/vlc/interfaces/Filterable.java        | 12 ------------
 vlc-android/src/org/videolan/vlc/interfaces/Filterable.kt  | 12 ++++++++++++
 vlc-android/src/org/videolan/vlc/interfaces/IHistory.java  |  6 ------
 vlc-android/src/org/videolan/vlc/interfaces/IHistory.kt    |  6 ++++++
 ...tingsController.java => IPlaybackSettingsController.kt} | 14 ++++++++------
 .../vlc/interfaces/{IRefreshable.java => IRefreshable.kt}  | 10 +++++-----
 ...ChangeListener.java => OnEqualizerBarChangeListener.kt} | 10 +++++-----
 .../{OnExpandableListener.java => OnExpandableListener.kt} | 10 +++++-----
 ...ipeDragHelperAdapter.java => SwipeDragHelperAdapter.kt} | 10 +++++-----
 12 files changed, 49 insertions(+), 47 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/ceffc2527a2a7ce4f53d76dba9f8a0bd5930cfc6