Changed color of Checkbox in AlertDialog

[sanjaysargam]

Purpose / Description

Changed color of Checkbox in AlertDialog

Fixes

• Fixes #15174

Approach

Custom styling in AlertDialog

How Has This Been Tested?

Physical Device ( Realme 9 )

Learning (optional, can help others)

Describe the research stage

Links to blog posts, patterns, libraries or addons used to solve this problem

Checklist

Please, go through these checks before submitting the PR.

• [x] You have a descriptive commit message with a short title (first line, max 50 chars).
• [ ] 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