cache max size metrics

[khushbr]

Issue #: #296

Description of changes: Adding code change for collecting cache max size metrics for Field Data and Shard Request Cache.

sqlite> select * from Cache_MaxSize;
Field Data Cache|26214400.0|26214400.0|26214400.0|26214400.0
Shard Request Cache|80181985.0|80181985.0|80181985.0|80181985.0
sqlite>

Older PR : #270

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 #297 into master will increase coverage by 0.14%.
The diff coverage is 64.70%.

@@             Coverage Diff              @@
##             master     #297      +/-   ##
============================================
+ Coverage     66.33%   66.47%   +0.14%     
- Complexity     1795     1857      +62     
============================================
  Files           270      276       +6     
  Lines         11990    12294     +304     
  Branches        952      980      +28     
============================================
+ Hits           7953     8173     +220     
- Misses         3722     3790      +68     
- Partials        315      331      +16     

Impacted Files	Coverage Δ	Complexity Δ
...nceanalyzer/decisionmaker/DecisionMakerConsts.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...ceanalyzer/metrics/PerformanceAnalyzerMetrics.java	26.66% <ø> (ø)	4.00 <0.00> (ø)
...search/performanceanalyzer/metrics/AllMetrics.java	90.30% <54.16%> (-2.13%)	0.00 <0.00> (ø)
...search/performanceanalyzer/model/MetricsModel.java	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
...ormanceanalyzer/reader/MetricPropertiesConfig.java	68.36% <100.00%> (+2.06%)	8.00 <0.00> (ø)
...analyzer/threads/exceptions/PAThreadException.java	0.00% <0.00%> (-57.15%)	0.00% <0.00%> (-1.00%)
.../performanceanalyzer/rca/framework/api/Metric.java	76.19% <0.00%> (-19.05%)	8.00% <0.00%> (-1.00%)
...ch/performanceanalyzer/threads/ThreadProvider.java	64.70% <0.00%> (-17.65%)	4.00% <0.00%> (ø%)
...analyzer/rca/framework/core/MetricsDBProvider.java	21.05% <0.00%> (-15.79%)	4.00% <0.00%> (-1.00%)
...anceanalyzer/decisionmaker/deciders/Publisher.java	19.23% <0.00%> (-14.11%)	2.00% <0.00%> (ø%)
... and 58 more

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