[Android] Upgrade ConstraintsLayout

[Geoffrey Métais]

vlc-android | branch: 2.5.x | Geoffrey Métais <geoffrey.metais at gmail.com> | Mon Dec 18 14:20:52 2017 +0100| [a7b69387eb21680252b68e02438136e1403638c6] | committer: Geoffrey Métais

Upgrade ConstraintsLayout

(cherry picked from commit 4bf107e706392cd0db9c0eacd1e1ae4c520dbc00)

> https://code.videolan.org/videolan/vlc-android/commit/a7b69387eb21680252b68e02438136e1403638c6
---

 build.gradle | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.gradle b/build.gradle
index 97c77fc8f..a1767324a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ allprojects {
 
 ext {
     appCompatVersion = '25.2.0'
-    constraintLayoutVersion = '1.1.0-beta3'
+    constraintLayoutVersion = '1.1.0-beta4'
     buildToolsVersion = "26.0.1"
     compileSdkVersion = 26
     minSdkVersion = 9