realm-js/tests/react-test-app/android/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:1.3.1'
        classpath 'com.jakewharton.sdkmanager:gradle-plugin:0.12.0'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        mavenLocal()
        jcenter()
        jcenter {
            url "http://dl.bintray.com/mkonicek/maven"
        }
    }
}