WRR-1052: Add sign language feature

[changgilee]

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Checklist

• [x] I have read and understand the contribution guide
• [ ] A CHANGELOG entry is included
• [ ] At least one test case is included for this feature or bug fix
• [x] Documentation was added or is not needed
• [ ] This is an API breaking change

Issue Resolved / Feature Added

Sign language services are added and require framework support.

Resolution

Added a function to support HoC for communicating with sign language service in Enact Framework.

Additional Considerations

Links

WRR-1052

Comments

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.37%. Comparing base (d1c4064) to head (032d814). Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3270      +/-   ##
===========================================
+ Coverage    82.25%   82.37%   +0.11%     
===========================================
  Files          152      152              
  Lines         7084     7130      +46     
  Branches      1864     1874      +10     
===========================================
+ Hits          5827     5873      +46     
  Misses         986      986              
  Partials       271      271              

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[SkylerBaek]

Note:

• #3272
• #3273