Resident privacy group and validations

[namtruong]

• Introduce feature config enableMultiplePrivateStates to accommodate Quorum handling multiple private states
• Introduce RESIDENT privacy group type
• Allow resident groups and its member to be configured via config file
• Resident groups configured will be validated and created upon application launch.
• Introduce groups API to return a list of privacy groups of a specific type. Usage groups/resident
• A member cannot belong to more than 1 resident group, nor switch between groups.
• If user decides to switch on mps feature, all keys configured must belong to a resident group.

[codecov-commenter]

Codecov Report

Merging #1273 (ab225e6) into master (4a3d8e4) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             master    #1273    +/-   ##
==========================================
  Coverage     99.52%   99.52%            
- Complexity     3251     3291    +40     
==========================================
  Files           499      502     +3     
  Lines          9811     9939   +128     
  Branches        491      494     +3     
==========================================
+ Hits           9764     9892   +128     
  Misses            5        5            
  Partials         42       42            

Flag	Coverage Δ	Complexity Δ
unittests	99.52% <100.00%> (+<0.01%)	3291.00 <47.00> (+40.00)

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

Impacted Files	Coverage Δ	Complexity Δ
...ava/com/quorum/tessera/context/RuntimeContext.java	100.00% <ø> (ø)	2.00 <0.00> (ø)
...va/com/quorum/tessera/data/PrivacyGroupEntity.java	100.00% <ø> (ø)	14.00 <0.00> (ø)
...rc/main/java/com/quorum/tessera/config/Config.java	100.00% <100.00%> (ø)	40.00 <2.00> (+2.00)
...java/com/quorum/tessera/config/FeatureToggles.java	100.00% <100.00%> (ø)	13.00 <3.00> (+3.00)
.../java/com/quorum/tessera/config/ResidentGroup.java	100.00% <100.00%> (ø)	7.00 <7.00> (?)
.../java/com/quorum/tessera/enclave/PrivacyGroup.java	98.55% <100.00%> (+0.19%)	0.00 <0.00> (ø)
...a/com/quorum/tessera/enclave/PrivacyGroupUtil.java	100.00% <100.00%> (ø)	12.00 <3.00> (+2.00)
.../quorum/tessera/context/DefaultRuntimeContext.java	100.00% <100.00%> (ø)	15.00 <2.00> (+1.00)
.../tessera/context/DefaultRuntimeContextFactory.java	98.46% <100.00%> (+0.02%)	11.00 <4.00> (ø)
.../quorum/tessera/context/RuntimeContextBuilder.java	100.00% <100.00%> (ø)	17.00 <1.00> (+1.00)
... and 9 more

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[nicolae-leonte-go]

LGTM