Cancelling file(Or stop downloading option)

## 🚀 Feature Requests

### Describe the feature
Like if i am storing video file in cache and in between i want to cancel the ongoing download.

I tried doing this with remove method but in background downloading was still going no matter what i do ,file gets downloaded fully in background..

If there is solution available already then pls tell me how to do!!!!
### Platforms affected (mark all that apply)
- [x] :iphone: iOS
- [x] :robot: Android

检查缓存管理器的下载 API 以及 iOS 和 Android 路径上当前的 remove 行为。确定如何取消正在进行的下载，然后验证取消操作会停止后台传输，同时保留预期的缓存行为。

由索引模型根据 Issue 内容生成。