Add resource control enable/disable

[zzmao]

Fix some issue in #1176
Add controlResource and maintainCluster support.

[codecov-io]

Codecov Report

Merging #1179 into master will decrease coverage by 0.09%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             master   #1179     +/-   ##
==========================================
- Coverage     69.69%   69.6%   -0.1%     
+ Complexity     5397    5396      -1     
==========================================
  Files           430     430             
  Lines         33015   33047     +32     
  Branches       4173    4176      +3     
==========================================
- Hits          23010   23001      -9     
- Misses         8869    8906     +37     
- Partials       1136    1140      +4

Impacted Files	Coverage Δ	Complexity Δ
....github.ambry/clustermap/HelixVcrPopulateTool.java	0% <0%> (ø)	0 <0> (ø)	⬇️
.../main/java/com.github.ambry.router/EncryptJob.java	92.1% <0%> (-5.27%)	4% <0%> (-1%)
...java/com.github.ambry.store/CompactionManager.java	87.33% <0%> (-3.34%)	19% <0%> (ø)
...in/java/com.github.ambry.store/BlobStoreStats.java	71.13% <0%> (-0.62%)	103% <0%> (-1%)
...va/com.github.ambry.replication/ReplicaThread.java	74.15% <0%> (-0.38%)	64% <0%> (-1%)
...java/com.github.ambry.network/SSLTransmission.java	69.74% <0%> (+0.31%)	69% <0%> (+1%)	⬆️
.../java/com.github.ambry.router/DeleteOperation.java	93.61% <0%> (+1.41%)	49% <0%> (+1%)	⬆️

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[lightningrob]

Few comments/questions, otherwise looks good.

[lightningrob]

Possible to add tests for the new methods?

[zzmao]

Not easy, since helix library doesn't expose getMethod for these status.

[lightningrob]

Fair enough. But it's still good to test the different options to get code coverage.