LightningLauncher-TrianguloY/app/llx/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        mavenCentral()
        jcenter()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
    }
}

allprojects {
    repositories {
        mavenCentral()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
        jcenter()
    }
}