Fix #3647: add @Binds annotation to be exempted and automatically exempt test files

[Sparsh1212]

Explanation

Fixes: #3647: Adds "@BINDS" annotation entry to be exempted and automatically exempts all the test files.

Binds Annotation test and Test file missing KDoc test failing before this fix:

Checklist

• The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• The PR explanation includes the words "Fixes #bugnum: ..." (or "Fixes part of #bugnum" if the PR only partially fixes an issue).
• The PR follows the style guide.
• The PR does not contain any unnecessary auto-generated code from Android Studio.
• The PR is made from a branch that's not called "develop".
• The PR is made from a branch that is up-to-date with "develop".
• The PR's branch is based on "develop" and not on any other branch.
• The PR is assigned to an appropriate reviewer in both the Assignees and the Reviewers sections.

[Sparsh1212]

@BenHenning PTAL:

• Added "@BINDS" annotation entry to be exempted
• Added test for this newly added annotation entry
• Automatically exempts all Test files for KDoc check
• Added test for this new automatic exemption of Test files

[BenHenning]

Thanks @Sparsh1212! This was a really quick turnaround, and the PR generally looks great. Just have one request to firm up the bug fix aspect of the PR, but it otherwise LGTM.

[Sparsh1212]

Updated with latest develop

[BenHenning]

Thanks @Sparsh1212. LGTM!