Stop API will update metadata according to its current status

[dbbaughe]

Issue #, if available:

Description of changes:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #348 (4eac152) into master (6335689) will decrease coverage by 0.02%.
The diff coverage is 73.33%.

@@             Coverage Diff              @@
##             master     #348      +/-   ##
============================================
- Coverage     75.14%   75.12%   -0.03%     
- Complexity     1357     1360       +3     
============================================
  Files           183      183              
  Lines          6993     7011      +18     
  Branches       1138     1143       +5     
============================================
+ Hits           5255     5267      +12     
- Misses         1132     1135       +3     
- Partials        606      609       +3     

Impacted Files	Coverage Δ	Complexity Δ
.../rollup/action/start/TransportStartRollupAction.kt	58.00% <0.00%> (ø)	6.00 <0.00> (ø)
...nt/rollup/action/stop/TransportStopRollupAction.kt	65.30% <75.86%> (+0.78%)	8.00 <3.00> (+4.00)
...asticsearch/indexmanagement/rollup/model/Rollup.kt	84.02% <0.00%> (-1.55%)	44.00% <0.00%> (-2.00%)
...rch/indexmanagement/rollup/model/RollupMetadata.kt	84.52% <0.00%> (+0.59%)	18.00% <0.00%> (ø%)
...ndexstatemanagement/IndexStateManagementHistory.kt	77.88% <0.00%> (+1.92%)	28.00% <0.00%> (+1.00%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6335689...e5e160c. Read the comment docs.