[Android] gitlab-ci: Bump gradle version

[Hugo Beauzée-Luyssen]

vlc-android | branch: 3.2.x | Hugo Beauzée-Luyssen <hugo at beauzee.fr> | Fri Aug 23 10:31:15 2019 +0200| [0390b2fcda1030de31d8a1cca6ce7c133c18dbbd] | committer: Nicolas Pomepuy

gitlab-ci: Bump gradle version

(cherry picked from commit e3fd0f3faf80a7d87ab744b70353aa6c3f7eb8ae)

> https://code.videolan.org/videolan/vlc-android/commit/0390b2fcda1030de31d8a1cca6ce7c133c18dbbd
---

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

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1b9d7e805..2dd014c91 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 cache:
     paths:
         - .gradle/
-        - gradle-5.1.1/
+        - gradle-5.4.1/
         - gradle/
         - gradlew