Change constructor visibility in SpeedOrPace class

[rohandhiman03]

Adjusted the visibility of the constructor in the SpeedOrPace abstract inner static class from public to protected. This aligns with best practices for abstract classes and clarifies its intended use.

Ref: Issue regarding the visibility of the constructor in SpeedOrPace

Thanks for your contribution.

PLEASE REMOVE

To support us in providing a nice (and fast) open-source experience:

1. Verify that the tests are passing
2. Check that the code is properly formatted (using AndroidStudio's autoformatter)
3. Provide write access to the branch
4. If the PR is not ready for review, please submit it as a draft

PLEASE REMOVE

Describe the pull request
A clear and concise description of what the pull request changes/adds.

Link to the the issue
(If available): The link to the issue that this pull request solves.

License agreement
By opening this pull request, you are providing your contribution under the Apache License 2.0 (see LICENSE.md).

Note: new dependencies/libraries
Please refrain from introducing new libraries without consulting the team.

[rohandhiman03]

Change constructor visibility in SpeedOrPace class

Adjusted the visibility of the constructor in the SpeedOrPace abstract inner static class from public to protected. This aligns with best practices for abstract classes and clarifies its intended use.

Ref: Issue regarding the visibility of the constructor in SpeedOrPace