Add ability to open notification settings on Android

[CasperVerswijvelt]

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [x] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Documentation changes
• [ ] Other... Please describe:

PR Checklist

For bug fixes / features, please check if your PR fulfills the following requirements:

• [x] Testing has been carried out for the changes have been added
• [x] Regression testing has been carried out for existing functionality
• [x] Docs have been added / updated

What is the purpose of this PR?

Add possibility to open notification settings on android devices running Android O or above. Android versions lower than O will fall back to just the app details page. Requested in issue #351.

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

What testing has been done on the changes in the PR?

Added function has been tested on different Android versions

What testing has been done on existing functionality?

Existing features were tested to be still working

[ghost]

DeepCode's analysis on #94fd99 found:

• :information_source: 3 minor issues. :point_down:

  Top issues

Description	Example fixes
Use the rest parameters instead of 'arguments'. Occurrences: diagnostic.js:463 diagnostic.js:480 diagnostic.js:498	:wrench: Example fixes
Expected an object to be thrown. Occurrences: diagnostic.js:465 diagnostic.js:482 diagnostic.js:500	:wrench: Example fixes
Missing JSDoc @return for function. Occurrences: diagnostic.notifications.js:3 diagnostic.notifications.js:44 diagnostic.notifications.js:61	:wrench: Example fixes

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[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[CasperVerswijvelt]

Bump for stale bot