Update dependency gradle to v2.14.1

Author: renovate-bot

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,5 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionSha256Sum=88a910cdf2e03ebbb5fe90f7ecf534fc9ac22e12112dc9a2fee810c598a76091