Use alarm stream to play presets in Wake-up Timers

[ashutoshgngwr]

This PR proposes changes for allowing playback to be transferred to different audio streams in general. Wake-up timers are the only use-case where this behaviour is needed as of now.

Changes

• Add methods to specify and change audio stream in PlayerManager
• Add intent extra to specify audio stream in play preset action in MediaPlayerService
• Use alarm stream to play presets in Wake-up timers
• Revert audio stream to normal when the user stops the preset played by the wake-up timer

Testing

• Tested on a physical device
• Added or modified unit test cases

[codecov]

Codecov Report

Merging #729 (0d1871c) into master (4543fec) will decrease coverage by 0.15%.
The diff coverage is 77.03%.

@@             Coverage Diff              @@
##             master     #729      +/-   ##
============================================
- Coverage     79.30%   79.15%   -0.16%     
  Complexity       15       15              
============================================
  Files            51       53       +2     
  Lines          2537     2576      +39     
  Branches        391      396       +5     
============================================
+ Hits           2012     2039      +27     
- Misses          271      285      +14     
+ Partials        254      252       -2     

Flag	Coverage Δ
android	78.28% <77.03%> (-0.15%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...shutoshgngwr/noice/fragment/WakeUpTimerFragment.kt	67.56% <0.00%> (+8.33%)	⬆️
...wr/noice/playback/strategy/CastPlaybackStrategy.kt	80.00% <0.00%> (-3.34%)	⬇️
...m/github/ashutoshgngwr/noice/MediaPlayerService.kt	84.48% <50.00%> (-0.27%)	⬇️
...thub/ashutoshgngwr/noice/playback/PlayerManager.kt	73.65% <67.85%> (-3.43%)	⬇️
...shutoshgngwr/noice/activity/AlarmRingerActivity.kt	72.22% <72.22%> (ø)
.../com/github/ashutoshgngwr/noice/playback/Player.kt	89.18% <75.00%> (-3.12%)	⬇️
...thub/ashutoshgngwr/noice/ext/SimpleExoPlayerExt.kt	89.65% <89.65%> (ø)
...m/github/ashutoshgngwr/noice/WakeUpTimerManager.kt	78.37% <100.00%> (-3.85%)	⬇️
...ashutoshgngwr/noice/playback/PlaybackController.kt	91.66% <100.00%> (+0.59%)	⬆️
...r/noice/playback/strategy/LocalPlaybackStrategy.kt	100.00% <100.00%> (+3.44%)	⬆️
... and 4 more

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