Update build tools to 26.0.2 (#283)

.travis.yml

@@ -5,7 +5,7 @@ android:
   components:
   - tools
   - platform-tools
-  - build-tools-26.0.1
+  - build-tools-26.0.2
   - android-25
   - extra-android-m2repository
   licenses:

build.gradle

@@ -22,7 +22,7 @@ buildscript {
     ]
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-beta2'
+        classpath 'com.android.tools.build:gradle:3.0.0'
         classpath 'com.google.gms:google-services:3.0.0'
         classpath 'com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.5.6'
         classpath 'net.ltgt.gradle:gradle-errorprone-plugin:0.0.11'

buildsystem/dependencies.gradle

@@ -16,7 +16,7 @@ ext.versions = [
         minSdk               : 16,
         targetSdk            : 25,
         compileSdk           : 25,
-        buildTools           : '26.0.1',
+        buildTools           : '26.0.2',
         kotlin               : '1.1.2-5',
 
         // UI libs.