Gradle managed devices

build.gradle

android {
  testOptions {
    devices {
      pixel2api29 (com.android.build.api.dsl.ManagedVirtualDevice) {
        device = "Pixel 2"
        apiLevel = 29
        systemImageSource = "google"
        abi = "x86"
      }
      
      nexus9api30 (com.android.build.api.dsl.ManagedVirtualDevice) {
        // ...
      }
    }
    
    deviceGroups {
      phoneAndTablet {
        targetDevices.addAll(devices.pixel2api29, devices.nexus9api30)
      }
    }
  }
}