SmartPack/SmartPack-Kernel-Manager v4.9

Release tag: v4.9

on GitHub

SmartPack: add alert messages to Reboot and Reset options.

OP5T: add OnePlus version info in Device page and add support to download Open Beta kernels.

Add an option to adjust minimum backlight (brightness).

Re-done live charging status and maximum display backlight so that it will work on other devices as well.

Misc changes.