Update Android Studio 3.0

build.gradle

@@ -3,11 +3,12 @@ apply from: 'checkstyle.gradle'
 
 buildscript {
  repositories {
+ google()
  jcenter()
  }
 
  dependencies {
- classpath 'com.android.tools.build:gradle:2.3.3'
+ classpath 'com.android.tools.build:gradle:3.0.0'
  classpath 'com.github.ben-manes:gradle-versions-plugin:0.14.0'
  classpath 'org.codehaus.groovy:groovy-android-gradle-plugin:1.2.0'
  }

dependencies.gradle

@@ -1,6 +1,6 @@
 ext {
  supportVersion = '25.3.1'
- buildToolsVersionVariable = "25.0.3"
+ buildToolsVersionVariable = "26.0.2"
  rxJavaVersion = '1.3.1'
  sourceCompatibilityVersion = JavaVersion.VERSION_1_7
  targetCompatibilityVersion = JavaVersion.VERSION_1_7
@@ -22,4 +22,4 @@ ext {
  dagger : "com.google.dagger:dagger:$daggerVersion",
  dagger_compiler : "com.google.dagger:dagger-compiler:$daggerVersion"
  ]
-}
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Apr 14 14:13:27 CEST 2017
+#Tue Oct 31 10:57:02 JST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip