Create a new audio device for each clip.

[trevan]

Multiple clips can play together and they each need their own audio
device. Otherwise, the sound comes out garbled.

Fixes #7905 and #7865

Testing

Play Dragon War with Hard AI for all players. The sounds should play correctly. Each battle generally plays about 3 clips at the same time.

Screens Shots

Additional Notes to Reviewer

Release Note

[codecov]

Codecov Report

Merging #7940 into master will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             master    #7940   +/-   ##
=========================================
  Coverage     24.83%   24.84%           
  Complexity     7281     7281           
=========================================
  Files          1251     1251           
  Lines         79065    79067    +2     
  Branches      11154    11154           
=========================================
+ Hits          19639    19643    +4     
+ Misses        57335    57330    -5     
- Partials       2091     2094    +3     

Impacted Files	Coverage Δ	Complexity Δ
...re/src/main/java/org/triplea/sound/ClipPlayer.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
.../java/games/strategy/triplea/delegate/Matches.java	44.84% <0.00%> (-0.11%)	372.00% <0.00%> (-1.00%)
.../strategy/triplea/odds/calculator/DummyPlayer.java	56.04% <0.00%> (+5.49%)	17.00% <0.00%> (+1.00%)

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[DanVanAtta]

@trevan I added a commit to this branch to remove a needless reference to 'audioDevice' (changed to a boolean) and secondarily avoided shadowing the 'audioDevice' variable.