refactor: create DualBlockChain class to handle header and regular ch…

[HashEngineering]

…ain objects

Issue being fixed or feature implemented

What was done?

Refactor how blockchain objects are handled for masternode lists and quorums

How Has This Been Tested?

Breaking Changes

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone

[codecov]

Codecov Report

Patch coverage: 62.55% and project coverage change: +0.17% 🎉

Comparison is base (01c4e3c) 47.50% compared to head (c3ff717) 47.67%.

Additional details and impacted files

@@                      Coverage Diff                      @@
##             feature-core-20-phase-1     #231      +/-   ##
=============================================================
+ Coverage                      47.50%   47.67%   +0.17%     
- Complexity                      6580     6615      +35     
=============================================================
  Files                            408      409       +1     
  Lines                          46144    46113      -31     
  Branches                        6518     6503      -15     
=============================================================
+ Hits                           21919    21983      +64     
+ Misses                         21843    21757      -86     
+ Partials                        2382     2373       -9     

Files Changed	Coverage Δ
.../org/bitcoinj/evolution/AbstractQuorumRequest.java	66.66% <ø> (ø)
...inj/evolution/GetSimplifiedMasternodeListDiff.java	25.00% <0.00%> (+1.66%)	⬆️
...va/org/bitcoinj/evolution/QuorumUpdateRequest.java	47.05% <ø> (ø)
...va/org/bitcoinj/quorums/GetQuorumRotationInfo.java	20.58% <0.00%> (+1.14%)	⬆️
...va/org/bitcoinj/evolution/AbstractQuorumState.java	34.59% <11.11%> (-0.16%)	⬇️
...inj/evolution/SimplifiedMasternodeListManager.java	49.06% <52.63%> (+1.92%)	⬆️
...rc/main/java/org/bitcoinj/core/DualBlockChain.java	56.75% <56.75%> (ø)
...ava/org/bitcoinj/quorums/SimplifiedQuorumList.java	54.02% <66.66%> (-0.18%)	⬇️
...va/org/bitcoinj/evolution/QuorumRotationState.java	61.38% <67.64%> (+1.56%)	⬆️
.../main/java/org/bitcoinj/evolution/QuorumState.java	54.21% <80.00%> (+0.14%)	⬆️
... and 6 more

... and 14 files with indirect coverage changes

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[Syn-McJ]

Looks good