Add new google repo

Author: PhilJay

MPChartExample/build.gradle

@@ -1,6 +1,5 @@
 apply plugin: 'com.android.application'
 apply plugin: 'realm-android'
-apply plugin: 'maven'
 
 android {
     compileSdkVersion 27

build.gradle

@@ -5,10 +5,7 @@
 buildscript {
     repositories {
         jcenter()
-        maven {
-            url 'https://maven.google.com/'
-            name 'Google'
-        }
+        google()
     }
     dependencies {
         classpath "io.realm:realm-gradle-plugin:4.2.0"