Update Android Studio and gradle

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.android.tools.build:gradle:3.2.0'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.17.0'
         classpath 'com.github.zellius:android-shortcut-gradle-plugin:0.1.2'
         classpath 'com.google.gms:google-services:3.2.0'

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Apr 05 09:21:32 CEST 2018
+#Tue Sep 25 08:47:56 CEST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip