feat(new reviewer): answer timer

[voczi]

Purpose / Description

Add answer timer to the new reviewer.

Fixes

N/A.

Approach

New answer timer is added to the top-right corner in the new reviewer, along with related logic. Some code refactoring, here and there. Maybe improvements could be made in some areas of my code... (setupAnswerTimer, maybe..)

How Has This Been Tested?

Tested in emulator, API 34.

Learning (optional, can help others)

N/A.

Checklist

• [x] You have a descriptive commit message with a short title (first line, max 50 chars).
• [x] You have commented your code, particularly in hard-to-understand areas
• [x] You have performed a self-review of your own code
• [x] UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• [ ] UI Changes: You have tested your change using the Google Accessibility Scanner

https://github.com/user-attachments/assets/12203110-2f01-4429-8216-ae9ac1dfdfdd