Update versions in Android example project to 3.4.1 tools

Author: elizarov

ui/kotlinx-coroutines-android/animation-app/app/build.gradle

@@ -4,7 +4,6 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '27.0.3'
     defaultConfig {
         applicationId "org.jetbrains.kotlinx.animation"
         minSdkVersion 14

ui/kotlinx-coroutines-android/animation-app/build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0-alpha04'
+        classpath 'com.android.tools.build:gradle:3.4.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

ui/kotlinx-coroutines-android/animation-app/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Sat Aug 25 19:20:16 MSK 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

ui/kotlinx-coroutines-android/example-app/app/build.gradle

@@ -4,7 +4,6 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '27.0.3'
     defaultConfig {
         applicationId "com.example.app"
         minSdkVersion 14

ui/kotlinx-coroutines-android/example-app/build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0-alpha04'
+        classpath 'com.android.tools.build:gradle:3.4.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong

ui/kotlinx-coroutines-android/example-app/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Sat Aug 25 19:20:16 MSK 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip