[Android] removeItems function for batch media deletion

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Jun  6 18:00:17 2019 +0200| [2565c8b2aeee61ccaf0b8b420c413fc969d874dc] | committer: Geoffrey Métais

removeItems function for batch media deletion

> https://code.videolan.org/videolan/vlc-android/commit/2565c8b2aeee61ccaf0b8b420c413fc969d874dc
---

 .../vlc/gui/browser/BaseBrowserFragment.kt         |  6 +-
 .../vlc/gui/browser/MediaBrowserFragment.kt        | 73 ++++++++++++++--------
 .../src/org/videolan/vlc/gui/helpers/UiTools.kt    | 10 +++
 .../vlc/gui/helpers/hf/WriteExternalDelegate.kt    | 12 ++--
 4 files changed, 67 insertions(+), 34 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/2565c8b2aeee61ccaf0b8b420c413fc969d874dc