[Java] Upgrade to Gradle 4.9.

mjpt777 · mjpt777 · commit 233251b37dae · 2018-07-25T09:08:57.000+01:00
diff --git a/build.gradle b/build.gradle
@@ -702,6 +702,6 @@ task uploadToMavenCentral {
 }
 
 wrapper {
-    gradleVersion = '4.8.1'
+    gradleVersion = '4.9'
     distributionType = 'ALL'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
