[Cleanup]: Remove Android Studio Warning

[ProtonStar12]

Purpose / Description

Optimizing function calls by converting arguments to Set for improved performance and reducing warnings.

Fixes

• Contributes towards [Cleanup]: Fix Android Studio Warnings #13282

Approach

• Converted Iterable<T> and Array<T> arguments to Set<T> to enhance efficiency in minus and intersect operations.
• Updated UniqueArrayList.kt to improve removeAll and retainAll performance.
• Modified test_retainAll() in UniqueArrayListTest.kt to use setOf() for better efficiency.

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have performed a self-review of your own code.

[welcome]

First PR! 🚀 We sincerely appreciate that you have taken the time to propose a change to AnkiDroid! Please have patience with us as we are all volunteers - we will get to this as soon as possible.

[lukstbit]

Hey, thank you for contributing. Left one minor issue and a question: judging by the approach section, are there other changes that were not included?

[ProtonStar12]

No there were no other changes in mind

[lukstbit]

Ok, but please squash the two commits into a single commit. Then this can be merged.

[lukstbit]

Thanks!