[Android] Add new gradle version to docker cache

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Feb 11 11:15:35 2020 +0100| [ae0e9b7771fc1031da476085280d6f9dc152ae79] | committer: Geoffrey Métais

Add new gradle version to docker cache

> https://code.videolan.org/videolan/vlc-android/commit/ae0e9b7771fc1031da476085280d6f9dc152ae79
---

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

diff --git a/buildsystem/gitlab/.gitlab-ci.yml b/buildsystem/gitlab/.gitlab-ci.yml
index 30ce676f3..89aa1a02c 100644
--- a/buildsystem/gitlab/.gitlab-ci.yml
+++ b/buildsystem/gitlab/.gitlab-ci.yml
@@ -2,6 +2,7 @@ cache:
     paths:
         - .gradle/
         - gradle-5.4.1/
+        - gradle-5.6.4/
         - gradle/
         - gradlew