Autoformat number

how to autoformat a number with user adding +1 himself in the edittext field, in current scenario your library is allowing me to format a number without +1, but user wants to add whole number with country coude himself, like +12678462671, but your library is not formatting this

该 issue 没有指定文件、测试或入口点。首先定位 Android EditText 的电话掩码和国际电话号码格式化路径；当用户输入的号码（例如 +12678462671）无需单独选择国家即可被正确格式化时，即表示完成。

由索引模型根据 Issue 内容生成。