Ghedeon

import com.android.builder.testing.ConnectedDeviceProvider
def DEVICES_PROPERTY = "devices"
ConnectedDeviceProvider.metaClass.getProperty = { String name ->
    def metaProperty = delegate.metaClass.getMetaProperty(name)
    def property = metaProperty.getProperty(delegate)
    if (name.equals(DEVICES_PROPERTY) && project.hasProperty(DEVICES_PROPERTY)) {
        def devicesSerials = project.getProperties().get(DEVICES_PROPERTY).split(/,/)
        def devices = property.findAll {devicesSerials.contains(it.serialNumber)}
        property = devices
    }

Ghedeon

apply plugin: 'com.android.application'

android {
    compileSdkVersion 21
    buildToolsVersion "21.1.2"

    defaultConfig {
        applicationId "test.co.vv.myapplication"
        minSdkVersion 15
        targetSdkVersion 21