Call icon improvement 

## Icon Request

* Icon name: Call
* Tags of this icon: call, phone, telephone
* Note: It can be better if you fix this call icon stroke as like material icon

![image](https://user-images.githubusercontent.com/49694573/119144876-bcafcb00-ba66-11eb-80b8-5275972a3254.png)
![image](https://user-images.githubusercontent.com/49694573/119144910-c5a09c80-ba66-11eb-9df7-3b9a033939b8.png)

