Update to android things sdk 0.6

Change-Id: I9918577cdd07acfd95ab71e1a1069a506dd94dda

Author: mangini

app/build.gradle

@@ -5,16 +5,16 @@ apply plugin: 'com.android.application'
 apply plugin: 'de.undercouch.download'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.2'
+    compileSdkVersion 26
+    buildToolsVersion '26.0.2'
 
     lintOptions {
         abortOnError false
     }
 
     defaultConfig {
         applicationId = 'com.example.androidthings.imageclassifier'
-        minSdkVersion 24
+        minSdkVersion 26
         targetSdkVersion 25
     }
     buildTypes {
@@ -56,7 +56,7 @@ repositories {
 }
 
 dependencies {
-    compile 'com.google.android.things.contrib:driver-button:0.3'
-    compile 'org.tensorflow:tensorflow-android:1.2.0'
-    provided 'com.google.android.things:androidthings:0.4.1-devpreview'
+    implementation 'com.google.android.things.contrib:driver-button:0.3'
+    implementation 'org.tensorflow:tensorflow-android:1.2.0'
+    compileOnly 'com.google.android.things:androidthings:0.6-devpreview'
 }

build.gradle

@@ -3,11 +3,12 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
         classpath 'de.undercouch:gradle-download-task:3.1.2'
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip