android tool versions

def versions = [:]
versions.arch_core = "1.1.0"
versions.room = "1.1.0-rc1"
versions.lifecycle = "1.1.0"
versions.support = "27.0.2"
versions.junit = "4.12"
versions.espresso = "3.0.1"
versions.retrofit = "2.3.0"
versions.gson = "2.8.0"
versions.okhttp_logging_interceptor = "3.9.1"
versions.mockwebserver = "3.8.1"
versions.mockito_all = "1.10.19"
versions.dexmaker = "2.2.0"
versions.constraint_layout = "1.0.2"
versions.glide = "3.8.0"
versions.timber = "4.6.1"
versions.gradle = "3.1.2"
versions.rxjava2 = "2.1.9"
versions.rx_android = "2.0.2"
versions.rxkotlin = "2.2.0"
versions.rxbinding2 = "2.1.1"
versions.atsl_runner = "1.0.1"
versions.atsl_rules = "1.0.1"
versions.kotlin = "1.2.41"
versions.paging = "1.0.0-alpha5"
versions.zxing_embedded = "3.5.0"
versions.zxing_core = "3.3.0"
versions.rximagepicker = "2.1.1"
versions.rxactivityresult = "0.4.5-2.x"
versions.rxpermissions = "0.9.5@aar"