flutter doctor提示Android license status unknown.

flutter doctor提示Android license status unknown. 错误信息：Android许可证状态未知

✗ Android license status unknown.
  Run `flutter doctor --android-licenses` to accept the SDK licenses.

解决方法： • 运行以下命令以接受Android SDK的许可证：

flutter doctor --android-licenses

• 在运行此命令时，你可能会被要求确认或接受许多许可证，例如： Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source! 7 of 7 SDK package licenses not accepted. 100% Computing updates… Review licenses that have not been accepted (y/N)? Y 请输入y来接受它们，然后回车确定。