[SDK] Improve location sharing service api (PSF-1004)

[mnaturel]

Type of change

• Feature
• Bugfix
• Technical
• Other : Code refactoring

Content

All location sharing related APIs have been grouped into the exposed LocationSharingService interface.
Unit tests have been added to cover the implementation of this interface.

Motivation and context

Closes #6156
Part of #5864

Screenshots / GIFs

Tests

• Enable live location sharing in Settings -> Labs
• Go to a room
• Start sharing location
• Choose to share a static pinned location
• Check it is correctly shared in the room
• Start sharing location
• Choose to share your static location
• Check it is correctly shared in the room
• Start sharing location
• Choose to share your live location
• Check it is correctly shared in the room
• Stop the live location share
• Check it is correctly stopped

Tested devices

• Physical
• Emulator
• OS version(s): Android 11

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[ericdecanini]

LGTM

[onurays]

Nice improvement, LGTM!

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

11.8% Coverage
0.0% Duplication