allprojects {
  task hello << { task -> println "I'm $task.project.name" }
}

subprojects {
  repositories {
    mavenCentral()
  }
}
buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.0'
    }
}