Refactor chrome tab toolbar dark mode on/off

[yongsuk44]

Modified to change the Chrome toolbar color according to the system scheme during dark mode transitions. Although specific colors can be applied using setColorSchemeParams, using the default values should be sufficient.

https://github.com/android/nowinandroid/assets/38935359/042b8863-f0ca-45f3-bbaf-7f26ad42ef87

After.webm