Update to gradle-2.10

Change-Id: I0326029f6f1eb5503a2fa1b33ec27c7c84d2b686
diff --git a/wrapper/gradle-wrapper.properties b/wrapper/gradle-wrapper.properties
index 353e9a1..33eed2e 100644
--- a/wrapper/gradle-wrapper.properties
+++ b/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=../../external/gradle/gradle-2.8-all.zip
+distributionUrl=../../external/gradle/gradle-2.10-all.zip