[Android] Fix subtitles picker UI

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Thu Jul  9 14:38:49 2020 +0200| [6badcf7652b464abf0723fb620607800117a0ff7] | committer: Nicolas Pomepuy

Fix subtitles picker UI

Fixes #1386

> https://code.videolan.org/videolan/vlc-android/commit/6badcf7652b464abf0723fb620607800117a0ff7
---

 .../vlc-android/res/layout/directory_browser.xml   | 21 +++++++++--
 .../res/layout/file_picker_activity.xml            | 43 ++++++++++++----------
 application/vlc-android/res/values/styles.xml      |  6 +++
 .../vlc/gui/browser/BaseBrowserFragment.kt         |  2 +-
 .../videolan/vlc/gui/browser/FilePickerActivity.kt | 11 ++++--
 .../videolan/vlc/gui/browser/FilePickerFragment.kt | 10 ++++-
 .../vlc/gui/video/VideoPlayerOverlayDelegate.kt    | 15 ++++++--
 7 files changed, 74 insertions(+), 34 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/6badcf7652b464abf0723fb620607800117a0ff7