[Android] Fix settings crash

[Nicolas Pomepuy]

vlc-android | branch: 3.2.x | Nicolas Pomepuy <nicolas.pomepuy at gmail.com> | Tue Jul 30 06:26:34 2019 +0200| [ff6c4fa9a9f37ad3a8613d74e41c1d5b16318648] | committer: Geoffrey Métais

Fix settings crash

(cherry picked from commit f67e391a8ea8aec66fa96acb9711c6864023a6d9)

> https://code.videolan.org/videolan/vlc-android/commit/ff6c4fa9a9f37ad3a8613d74e41c1d5b16318648
---

 vlc-android/res/xml/preferences.xml                | 6 +++---
 vlc-android/res/xml/preferences_adv.xml            | 6 +++---
 vlc-android/res/xml/preferences_audio.xml          | 8 ++++----
 vlc-android/res/xml/preferences_casting.xml        | 8 ++++----
 vlc-android/res/xml/preferences_dev.xml            | 6 +++---
 vlc-android/res/xml/preferences_extension_page.xml | 4 ++--
 vlc-android/res/xml/preferences_extensions.xml     | 4 ++--
 vlc-android/res/xml/preferences_perf.xml           | 6 +++---
 vlc-android/res/xml/preferences_subtitles.xml      | 8 ++++----
 vlc-android/res/xml/preferences_ui.xml             | 8 ++++----
 vlc-android/res/xml/preferences_video.xml          | 8 ++++----
 11 files changed, 36 insertions(+), 36 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/ff6c4fa9a9f37ad3a8613d74e41c1d5b16318648