What's Changed
* add codecov, fix coveragerc by codeskyblue in https://github.com/openatx/adbutils/pull/106
* refactor code
* add volume_up, volume_down, volume_mute
Remove deprecated function
- remove package_info
- remove current_app
**Full Changelog**: https://github.com/openatx/adbutils/compare/2.2.3...2.3.0