Upgrade gradle

Change-Id: I1a899e2e757c1266a60afdb4e43d9b2ab9805639
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c206a6d..29be96d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Jan 31 10:27:19 PST 2016
+#Fri Jul 07 17:24:15 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.1-bin.zip