Fix long press on voice message with screen reader

[jonnyandrew]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

• Fix long press on voice messages which was not working before this change.
• Disable seeking within the voice message waveform (the workaround).

Motivation and context

• [Story] Use timeline features for voice messages element-meta#2106
• Long press menu is a core feature which must work for screen readers
• Seek behaviour is a nice-to-have feature that is already sub-optimal for screen readers: there is no spoken feedback about the current seek position. No core functionality is lost as voice messages can still be played using a screen reader.

Screenshots / GIFs

Tests

• Enable talkback
• Long press on a message

Tested devices

• Physical
• Emulator
• OS version(s): 14

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-x-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-x-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

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0 Bugs
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No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (356a321) 63.68% compared to head (c8eab7e) 63.67%.
Report is 17 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1704      +/-   ##
===========================================
- Coverage    63.68%   63.67%   -0.01%     
===========================================
  Files         1267     1268       +1     
  Lines        32835    32841       +6     
  Branches      6796     6799       +3     
===========================================
+ Hits         20910    20912       +2     
- Misses        8789     8790       +1     
- Partials      3136     3139       +3     

Files	Coverage Δ
...timeline/components/event/TimelineItemVoiceView.kt	62.50% <50.00%> (-0.30%)	⬇️
...libraries/androidutils/accessibility/ContextExt.kt	25.00% <25.00%> (ø)

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[bmarty]

Thanks!