[Android] Convert about to kotlin

[Habib Kazemi]

vlc-android | branch: master | Habib Kazemi <kazemihabib1996 at gmail.com> | Fri Aug 10 11:44:30 2018 +0430| [5a4be02f67c1d59205bb2533176f1f448bfcd9a3] | committer: Geoffrey Métais

Convert about to kotlin

Signed-off-by: Geoffrey Métais <geoffrey.metais at gmail.com>

> https://code.videolan.org/videolan/vlc-android/commit/5a4be02f67c1d59205bb2533176f1f448bfcd9a3
---

 vlc-android/res/layout/about.xml                   |  3 +-
 vlc-android/res/layout/about_licence.xml           |  3 +-
 .../src/org/videolan/vlc/gui/AboutFragment.java    | 96 ----------------------
 .../src/org/videolan/vlc/gui/AboutFragment.kt      | 86 +++++++++++++++++++
 .../src/org/videolan/vlc/gui/tv/AboutActivity.java | 19 -----
 .../src/org/videolan/vlc/gui/tv/AboutActivity.kt   | 18 ++++
 .../org/videolan/vlc/gui/tv/LicenceActivity.java   | 24 ------
 .../src/org/videolan/vlc/gui/tv/LicenceActivity.kt | 23 ++++++
 8 files changed, 130 insertions(+), 142 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/5a4be02f67c1d59205bb2533176f1f448bfcd9a3