Move menuLayoutsAvailable to WindowCapability

[bilal-alsharifi]

Fixes #1076

This PR is ready for review.

Summary

This PR move menuLayoutsAvailable from DisplayCapabilities to WindowCapability as mentioned in the proposal.

CLA

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[codecov-io]

Codecov Report

Merging #1171 into develop will increase coverage by 0.03%.
The diff coverage is 100%.

@@              Coverage Diff              @@
##             develop    #1171      +/-   ##
=============================================
+ Coverage      47.45%   47.49%   +0.03%     
  Complexity      4317     4317              
=============================================
  Files            481      481              
  Lines          23235    23235              
  Branches        2622     2622              
=============================================
+ Hits           11027    11035       +8     
+ Misses         11534    11524      -10     
- Partials         674      676       +2

Impacted Files	Coverage Δ	Complexity Δ
...smartdevicelink/proxy/rpc/DisplayCapabilities.java	73.91% <ø> (-1.6%)	20 <0> (-2)
...tdevicelink/managers/screen/BaseScreenManager.java	67.64% <ø> (ø)	45 <0> (ø)	⬇️
...om/smartdevicelink/proxy/rpc/WindowCapability.java	100% <100%> (ø)	20 <2> (+2)	⬆️
...smartdevicelink/encoder/VirtualDisplayEncoder.java	28.97% <0%> (+4.54%)	8% <0%> (ø)	⬇️

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