update suggestion for com.huawei.systemmanager

**huawei p30 pro**: \

**Packages documentation to update:**
```
com.huawei.systemmanager

**Current description**
> [No description]

**Proposed description**
> if you remove package, you can't kill apps from the recent apps menu and it becomes filled with apps that you cant close and runs in the background, data usage option that allows to restrict network usage on apps is removed - **I guess you could put it in better words than me**-

Find the package list file for Huawei devices, likely in a data directory. Locate the entry for 'com.huawei.systemmanager' and update its description based on the user's report. Verify the change by checking the file format and ensuring it matches surrounding entries. The work is done when the description is updated and the file is saved.

Escrita pelo modelo de indexação a partir do texto da issue.