new ISM template

[bowenlan-amzn]

Issue #, if available:

Description of changes:
We are gonna remove policyID usage for security reason, so using index template to set policyID to manage index automatically will not be able anymore.

we add this ISM template to be the substitution for previous index template usage.

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Bothered by a failing test which caused by Coordinator clear metadata which will be removed in next remove policyID PR, so comment out that test

Change Coordinator to implement ClusterStateListener but not LocalNodeMasterListener. If don't do this, I can see double logs. refer alerting change

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 #383 (528fb6c) into master (7e598fe) will decrease coverage by 0.17%.
The diff coverage is 79.90%.

@@             Coverage Diff              @@
##             master     #383      +/-   ##
============================================
- Coverage     77.48%   77.31%   -0.18%     
- Complexity     1492     1513      +21     
============================================
  Files           194      197       +3     
  Lines          7552     7748     +196     
  Branches       1210     1250      +40     
============================================
+ Hits           5852     5990     +138     
- Misses         1041     1080      +39     
- Partials        659      678      +19     

Impacted Files	Coverage Δ	Complexity Δ
...agement/indexstatemanagement/ManagedIndexRunner.kt	55.04% <ø> (ø)	41.00 <0.00> (ø)
...ment/indexstatemanagement/util/RestHandlerUtils.kt	100.00% <ø> (ø)	0.00 <0.00> (ø)
...h/indexmanagement/util/IndexManagementException.kt	47.05% <47.05%> (ø)	2.00 <2.00> (?)
...agement/indexstatemanagement/ISMTemplateService.kt	73.80% <73.80%> (ø)	0.00 <0.00> (?)
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	75.37% <79.62%> (+0.54%)	46.00 <7.00> (+9.00)
...dexmanagement/indexstatemanagement/model/Policy.kt	92.22% <80.00%> (-0.55%)	25.00 <2.00> (+1.00)	⬇️
...nagement/indexstatemanagement/model/ISMTemplate.kt	81.57% <81.57%> (ø)	7.00 <7.00> (?)
...t/action/indexpolicy/TransportIndexPolicyAction.kt	76.71% <96.42%> (+10.75%)	4.00 <2.00> (+1.00)
...ch/indexmanagement/elasticapi/ElasticExtensions.kt	81.25% <100.00%> (+1.25%)	0.00 <0.00> (ø)
...dexstatemanagement/elasticapi/ElasticExtensions.kt	92.85% <100.00%> (+4.62%)	0.00 <0.00> (ø)
... and 10 more

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