[Android] Add grouping by name

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Oct  3 18:02:24 2019 +0200| [0492f4f1793bc577add5a3adaf31b5e0452c2df4] | committer: Geoffrey Métais

Add grouping by name

> https://code.videolan.org/videolan/vlc-android/commit/0492f4f1793bc577add5a3adaf31b5e0452c2df4
---

 vlc-android/res/menu/action_mode_video_group.xml   |  19 ++++
 vlc-android/res/values/strings.xml                 |   1 +
 .../src/org/videolan/vlc/gui/helpers/Navigator.kt  |   9 +-
 .../videolan/vlc/gui/video/VideoGridFragment.kt    | 116 +++++++++++++--------
 .../org/videolan/vlc/gui/video/VideoListAdapter.kt |  94 ++++++++---------
 .../vlc/viewmodels/mobile/VideosViewModel.kt       |  72 ++++++++-----
 6 files changed, 191 insertions(+), 120 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/0492f4f1793bc577add5a3adaf31b5e0452c2df4