[Android] Update gradle Android plugin to 2.3.1

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Apr  5 11:34:00 2017 +0200| [179cf683a5fec05239f0d8ee45be0db337e5d643] | committer: Geoffrey Métais

Update gradle Android plugin to 2.3.1

> https://code.videolan.org/videolan/vlc-android/commit/179cf683a5fec05239f0d8ee45be0db337e5d643
---

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

diff --git a/build.gradle b/build.gradle
index 7203aae..c43f6d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:2.3.1'
     }
 }