public static SelendroidCapabilities emulator(String aut) {
    SelendroidCapabilities caps = new SelendroidCapabilities();
    caps.setAut(aut);
    caps.setEmulator(true);
    return caps;
  }
@param aut The application under test. Expected format is basePackage:version. E.g.:
       io.selendroid.testapp:0.4
@return Desired Capabilities of an emulator.
selendroid-common/src/main/java/io/selendroid/common/SelendroidCapabilities.java