[Android] Add a feature flag setting and add the network indexation to it

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Wed Jun  9 11:59:18 2021 +0200| [5fd1fe231b2b8014c916e9646e935a1182aa8d20] | committer: Nicolas Pomepuy

Add a feature flag setting and add the network indexation to it

> https://code.videolan.org/videolan/vlc-android/commit/5fd1fe231b2b8014c916e9646e935a1182aa8d20
---

 .../resources/src/main/res/values/strings.xml      |  4 ++
 .../ui/preferences/PreferencesAdvanced.kt          |  2 +
 .../ui/preferences/PreferencesOptional.kt          | 80 ++++++++++++++++++++++
 .../vlc-android/res/xml/preferences_adv.xml        |  7 ++
 .../vlc-android/res/xml/preferences_optional.xml   |  5 ++
 .../vlc/gui/browser/MLStorageBrowserFragment.kt    |  5 +-
 .../vlc/gui/browser/NetworkBrowserFragment.kt      |  6 +-
 .../vlc/gui/preferences/PreferencesAdvanced.kt     |  6 ++
 .../vlc/gui/preferences/PreferencesOptional.kt     | 77 +++++++++++++++++++++
 .../org/videolan/vlc/util/FeatureFlagManager.kt    | 60 ++++++++++++++++
 10 files changed, 247 insertions(+), 5 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/5fd1fe231b2b8014c916e9646e935a1182aa8d20