protected String getProp(String key) {
    CommandLine command = adbCommand("shell", "getprop", key);
    String prop = executeCommandQuietly(command);

    return prop == null ? "" : prop.replace("\r", "").replace("\n", "");
  }
Constructor mean to be used with Android Hardware devices because a reference to the
{@link IDevice} will be available immediately after they are connected.

@param device
selendroid-standalone/src/main/java/io/selendroid/standalone/android/impl/AbstractDevice.java