[Android] Implement mark as played

[Nicolas Pomepuy]

vlc-android | branch: 3.3.x | Nicolas Pomepuy <nicolas at videolabs.io> | Fri Sep 11 14:10:45 2020 +0200| [bdc097961a8683bd364f623c9ff1a33fa8dbb37e] | committer: Nicolas Pomepuy

Implement mark as played

Fixes #1442

(cherry picked from commit 74d9fda9b3717c70b61b4bd9813c5372ea758fd1)

> https://code.videolan.org/videolan/vlc-android/commit/bdc097961a8683bd364f623c9ff1a33fa8dbb37e
---

 .../main/java/org/videolan/resources/Constants.kt  |  8 ++++--
 .../res/drawable/ic_ctx_mark_all_as_played.xml     | 33 ++++++++++++++++++++++
 .../main/res/drawable/ic_ctx_mark_as_played.xml    | 33 ++++++++++++++++++++++
 .../resources/src/main/res/values/strings.xml      |  4 +++
 .../org/videolan/vlc/gui/dialogs/ContextSheet.kt   |  2 ++
 .../videolan/vlc/gui/video/VideoGridFragment.kt    |  4 ++-
 .../vlc/viewmodels/mobile/VideosViewModel.kt       | 13 +++++++++
 7 files changed, 93 insertions(+), 4 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/bdc097961a8683bd364f623c9ff1a33fa8dbb37e