[Android] Add artwork content provider

[Robert Stone]

vlc-android | branch: master | Robert Stone <rhstone at gmail.com> | Sat May  8 22:13:43 2021 -0700| [54b54492ab97b7bc94f7f2046f96299d19ad16d2] | committer: Nicolas Pomepuy

Add artwork content provider

> https://code.videolan.org/videolan/vlc-android/commit/54b54492ab97b7bc94f7f2046f96299d19ad16d2
---

 .../java/org/videolan/mobile/app/VLCApplication.kt |   3 +
 application/vlc-android/AndroidManifest.xml        |   4 +
 .../src/org/videolan/vlc/ArtworkProvider.kt        | 516 +++++++++++++++++++++
 .../org/videolan/vlc/media/MediaSessionBrowser.kt  |   2 +-
 4 files changed, 524 insertions(+), 1 deletion(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/54b54492ab97b7bc94f7f2046f96299d19ad16d2