[Android] Ask for the MANAGE_EXTERNAL_STORAGE permission on first launch

[Nicolas Pomepuy]

vlc-android | branch: 3.4.x | Nicolas Pomepuy <nicolas at videolabs.io> | Tue Nov 23 12:42:17 2021 +0100| [a1fa4a840359048e46b390889dc476fd1b63f55c] | committer: Nicolas Pomepuy

Ask for the MANAGE_EXTERNAL_STORAGE permission on first launch

(cherry picked from commit 62897067a0fcaf02140deeafb1f93cb7c90c9fc8)

> https://code.videolan.org/videolan/vlc-android/commit/a1fa4a840359048e46b390889dc476fd1b63f55c
---

 .../java/org/videolan/resources/util/Helpers.kt    |  9 ++++-
 .../resources/src/main/res/values/strings.xml      |  2 ++
 .../java/org/videolan/tools/KotlinExtensions.kt    | 16 +++++++++
 .../gui/helpers/hf/StoragePermissionsDelegate.kt   | 25 +++++++++++--
 .../src/org/videolan/vlc/util/Permissions.kt       | 41 +++++++++++++++++++++-
 5 files changed, 88 insertions(+), 5 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/a1fa4a840359048e46b390889dc476fd1b63f55c