[Android] ci: Bump images to use NDK 21

[Hugo Beauzée-Luyssen]

vlc-android | branch: master | Hugo Beauzée-Luyssen <hugo at videolan.org> | Thu Jan 23 15:11:09 2020 +0100| [d49bdbfb412184ca7995d4ed86eda0f2e66d05a0] | committer: Thomas Guillem

ci: Bump images to use NDK 21

> https://code.videolan.org/videolan/vlc-android/commit/d49bdbfb412184ca7995d4ed86eda0f2e66d05a0
---

 buildsystem/gitlab/.gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/buildsystem/gitlab/.gitlab-ci.yml b/buildsystem/gitlab/.gitlab-ci.yml
index 730b3f05f..33013ede0 100644
--- a/buildsystem/gitlab/.gitlab-ci.yml
+++ b/buildsystem/gitlab/.gitlab-ci.yml
@@ -6,7 +6,7 @@ cache:
         - gradlew
 
 .build-all-base:
-    image: registry.videolan.org:5000/vlc-debian-android:20191127102317
+    image: registry.videolan.org:5000/vlc-debian-android:20200123134612
     tags:
         - debian 
         - android