tools: bump gradle

Tuleap: #330
Change-Id: Ifdf611d63cb9d11f6e6d41dd3f17f525429d217c
diff --git a/ring-android/gradle/wrapper/gradle-wrapper.properties b/ring-android/gradle/wrapper/gradle-wrapper.properties
index 8070058..f39a915 100644
--- a/ring-android/gradle/wrapper/gradle-wrapper.properties
+++ b/ring-android/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Jun 17 18:34:27 EDT 2015
+#Mon Jan 18 12:07:13 EST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip